Home / 724,881.98-1,000,339.45-402,592.02

Finding the Fourth Proportional to 724,881.98, 1,000,339.45 and 402,592.02

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Solution

The fourth proportional to 724,881.98, 1,000,339.45 and 402,592.02 is: 555,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,881.98 : 1,000,339.45 = 402,592.02 : x
  2. Step 2: Convert to fraction form
    724,881.98/1,000,339.45 = 402,592.02/x
  3. Step 3: Cross multiply
    724,881.98x = 1,000,339.45 × 402,592.02
  4. Step 4: Simplify right side
    724,881.98x = 402,728,679,861.19
  5. Step 5: Solve for x
    x = 402,728,679,861.19/724,881.98
  6. Step 6: Final answer
    x = 555,578.27

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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.