Home / 885,914.46-1,329,083.10-286,876.26

Finding the Fourth Proportional to 885,914.46, 1,329,083.10 and 286,876.26

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Solution

The fourth proportional to 885,914.46, 1,329,083.10 and 286,876.26 is: 430,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,914.46 : 1,329,083.10 = 286,876.26 : x
  2. Step 2: Convert to fraction form
    885,914.46/1,329,083.10 = 286,876.26/x
  3. Step 3: Cross multiply
    885,914.46x = 1,329,083.10 × 286,876.26
  4. Step 4: Simplify right side
    885,914.46x = 381,282,388,957.21
  5. Step 5: Solve for x
    x = 381,282,388,957.21/885,914.46
  6. Step 6: Final answer
    x = 430,382.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.