Home / 497,832.75-687,061.04-306,841.23

Finding the Fourth Proportional to 497,832.75, 687,061.04 and 306,841.23

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Solution

The fourth proportional to 497,832.75, 687,061.04 and 306,841.23 is: 423,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,832.75 : 687,061.04 = 306,841.23 : x
  2. Step 2: Convert to fraction form
    497,832.75/687,061.04 = 306,841.23/x
  3. Step 3: Cross multiply
    497,832.75x = 687,061.04 × 306,841.23
  4. Step 4: Simplify right side
    497,832.75x = 210,818,654,598.68
  5. Step 5: Solve for x
    x = 210,818,654,598.68/497,832.75
  6. Step 6: Final answer
    x = 423,472.85

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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.