Home / 586,575.03-809,490.60-331,920.75

Finding the Fourth Proportional to 586,575.03, 809,490.60 and 331,920.75

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Solution

The fourth proportional to 586,575.03, 809,490.60 and 331,920.75 is: 458,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,575.03 : 809,490.60 = 331,920.75 : x
  2. Step 2: Convert to fraction form
    586,575.03/809,490.60 = 331,920.75/x
  3. Step 3: Cross multiply
    586,575.03x = 809,490.60 × 331,920.75
  4. Step 4: Simplify right side
    586,575.03x = 268,686,727,069.95
  5. Step 5: Solve for x
    x = 268,686,727,069.95/586,575.03
  6. Step 6: Final answer
    x = 458,060.29

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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.