Home / 724,793.67-1,000,213.52-402,502.77

Finding the Fourth Proportional to 724,793.67, 1,000,213.52 and 402,502.77

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Solution

The fourth proportional to 724,793.67, 1,000,213.52 and 402,502.77 is: 555,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,793.67 : 1,000,213.52 = 402,502.77 : x
  2. Step 2: Convert to fraction form
    724,793.67/1,000,213.52 = 402,502.77/x
  3. Step 3: Cross multiply
    724,793.67x = 1,000,213.52 × 402,502.77
  4. Step 4: Simplify right side
    724,793.67x = 402,588,710,378.94
  5. Step 5: Solve for x
    x = 402,588,710,378.94/724,793.67
  6. Step 6: Final answer
    x = 555,452.85

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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.