Home / 724,084.95-1,000,279.56-578,704.59

Finding the Fourth Proportional to 724,084.95, 1,000,279.56 and 578,704.59

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Solution

The fourth proportional to 724,084.95, 1,000,279.56 and 578,704.59 is: 799,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,084.95 : 1,000,279.56 = 578,704.59 : x
  2. Step 2: Convert to fraction form
    724,084.95/1,000,279.56 = 578,704.59/x
  3. Step 3: Cross multiply
    724,084.95x = 1,000,279.56 × 578,704.59
  4. Step 4: Simplify right side
    724,084.95x = 578,866,372,655.18
  5. Step 5: Solve for x
    x = 578,866,372,655.18/724,084.95
  6. Step 6: Final answer
    x = 799,445.39

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Double scale
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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.