Home / 885,890.48-1,329,047.36-286,852.32

Finding the Fourth Proportional to 885,890.48, 1,329,047.36 and 286,852.32

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Solution

The fourth proportional to 885,890.48, 1,329,047.36 and 286,852.32 is: 430,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,890.48 : 1,329,047.36 = 286,852.32 : x
  2. Step 2: Convert to fraction form
    885,890.48/1,329,047.36 = 286,852.32/x
  3. Step 3: Cross multiply
    885,890.48x = 1,329,047.36 × 286,852.32
  4. Step 4: Simplify right side
    885,890.48x = 381,240,318,605.88
  5. Step 5: Solve for x
    x = 381,240,318,605.88/885,890.48
  6. Step 6: Final answer
    x = 430,347.01

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Double scale
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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.