Home / 724,773.17-1,000,188.57-402,483.26

Finding the Fourth Proportional to 724,773.17, 1,000,188.57 and 402,483.26

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Solution

The fourth proportional to 724,773.17, 1,000,188.57 and 402,483.26 is: 555,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,773.17 : 1,000,188.57 = 402,483.26 : x
  2. Step 2: Convert to fraction form
    724,773.17/1,000,188.57 = 402,483.26/x
  3. Step 3: Cross multiply
    724,773.17x = 1,000,188.57 × 402,483.26
  4. Step 4: Simplify right side
    724,773.17x = 402,559,159,635.00
  5. Step 5: Solve for x
    x = 402,559,159,635.00/724,773.17
  6. Step 6: Final answer
    x = 555,427.79

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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.