Home / 885,976.34-1,329,094.91-286,738.34

Finding the Fourth Proportional to 885,976.34, 1,329,094.91 and 286,738.34

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Solution

The fourth proportional to 885,976.34, 1,329,094.91 and 286,738.34 is: 430,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,976.34 : 1,329,094.91 = 286,738.34 : x
  2. Step 2: Convert to fraction form
    885,976.34/1,329,094.91 = 286,738.34/x
  3. Step 3: Cross multiply
    885,976.34x = 1,329,094.91 × 286,738.34
  4. Step 4: Simplify right side
    885,976.34x = 381,102,462,267.22
  5. Step 5: Solve for x
    x = 381,102,462,267.22/885,976.34
  6. Step 6: Final answer
    x = 430,149.71

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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.