Home / 724,670.89-1,000,026.61-402,372.70

Finding the Fourth Proportional to 724,670.89, 1,000,026.61 and 402,372.70

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Solution

The fourth proportional to 724,670.89, 1,000,026.61 and 402,372.70 is: 555,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,670.89 : 1,000,026.61 = 402,372.70 : x
  2. Step 2: Convert to fraction form
    724,670.89/1,000,026.61 = 402,372.70/x
  3. Step 3: Cross multiply
    724,670.89x = 1,000,026.61 × 402,372.70
  4. Step 4: Simplify right side
    724,670.89x = 402,383,403,631.55
  5. Step 5: Solve for x
    x = 402,383,403,631.55/724,670.89
  6. Step 6: Final answer
    x = 555,263.65

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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.