Home / 724,793.81-1,000,248.66-402,505.34

Finding the Fourth Proportional to 724,793.81, 1,000,248.66 and 402,505.34

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Solution

The fourth proportional to 724,793.81, 1,000,248.66 and 402,505.34 is: 555,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,793.81 : 1,000,248.66 = 402,505.34 : x
  2. Step 2: Convert to fraction form
    724,793.81/1,000,248.66 = 402,505.34/x
  3. Step 3: Cross multiply
    724,793.81x = 1,000,248.66 × 402,505.34
  4. Step 4: Simplify right side
    724,793.81x = 402,605,421,976.60
  5. Step 5: Solve for x
    x = 402,605,421,976.60/724,793.81
  6. Step 6: Final answer
    x = 555,475.80

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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.