Home / 676,456.92-931,383.90-574,280.28

Finding the Fourth Proportional to 676,456.92, 931,383.90 and 574,280.28

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Solution

The fourth proportional to 676,456.92, 931,383.90 and 574,280.28 is: 790,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,456.92 : 931,383.90 = 574,280.28 : x
  2. Step 2: Convert to fraction form
    676,456.92/931,383.90 = 574,280.28/x
  3. Step 3: Cross multiply
    676,456.92x = 931,383.90 × 574,280.28
  4. Step 4: Simplify right side
    676,456.92x = 534,875,406,879.49
  5. Step 5: Solve for x
    x = 534,875,406,879.49/676,456.92
  6. Step 6: Final answer
    x = 790,701.36

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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.