Home / 536,272.41-740,107.32-306,784.13

Finding the Fourth Proportional to 536,272.41, 740,107.32 and 306,784.13

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Solution

The fourth proportional to 536,272.41, 740,107.32 and 306,784.13 is: 423,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,272.41 : 740,107.32 = 306,784.13 : x
  2. Step 2: Convert to fraction form
    536,272.41/740,107.32 = 306,784.13/x
  3. Step 3: Cross multiply
    536,272.41x = 740,107.32 × 306,784.13
  4. Step 4: Simplify right side
    536,272.41x = 227,053,176,572.30
  5. Step 5: Solve for x
    x = 227,053,176,572.30/536,272.41
  6. Step 6: Final answer
    x = 423,391.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.