Home / 497,500.74-686,569.38-282,677.22

Finding the Fourth Proportional to 497,500.74, 686,569.38 and 282,677.22

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Solution

The fourth proportional to 497,500.74, 686,569.38 and 282,677.22 is: 390,104.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,500.74 : 686,569.38 = 282,677.22 : x
  2. Step 2: Convert to fraction form
    497,500.74/686,569.38 = 282,677.22/x
  3. Step 3: Cross multiply
    497,500.74x = 686,569.38 × 282,677.22
  4. Step 4: Simplify right side
    497,500.74x = 194,077,523,675.52
  5. Step 5: Solve for x
    x = 194,077,523,675.52/497,500.74
  6. Step 6: Final answer
    x = 390,104.99

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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.