Home / 542,736.92-748,111.85-427,828.30

Finding the Fourth Proportional to 542,736.92, 748,111.85 and 427,828.30

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Solution

The fourth proportional to 542,736.92, 748,111.85 and 427,828.30 is: 589,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,736.92 : 748,111.85 = 427,828.30 : x
  2. Step 2: Convert to fraction form
    542,736.92/748,111.85 = 427,828.30/x
  3. Step 3: Cross multiply
    542,736.92x = 748,111.85 × 427,828.30
  4. Step 4: Simplify right side
    542,736.92x = 320,063,418,590.29
  5. Step 5: Solve for x
    x = 320,063,418,590.29/542,736.92
  6. Step 6: Final answer
    x = 589,721.11

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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.