Home / 634,456.40-875,572.13-347,977.62

Finding the Fourth Proportional to 634,456.40, 875,572.13 and 347,977.62

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Solution

The fourth proportional to 634,456.40, 875,572.13 and 347,977.62 is: 480,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,456.40 : 875,572.13 = 347,977.62 : x
  2. Step 2: Convert to fraction form
    634,456.40/875,572.13 = 347,977.62/x
  3. Step 3: Cross multiply
    634,456.40x = 875,572.13 × 347,977.62
  4. Step 4: Simplify right side
    634,456.40x = 304,679,506,805.68
  5. Step 5: Solve for x
    x = 304,679,506,805.68/634,456.40
  6. Step 6: Final answer
    x = 480,221.35

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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.