Home / 724,764.24-1,000,188.10-402,504.32

Finding the Fourth Proportional to 724,764.24, 1,000,188.10 and 402,504.32

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Solution

The fourth proportional to 724,764.24, 1,000,188.10 and 402,504.32 is: 555,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,764.24 : 1,000,188.10 = 402,504.32 : x
  2. Step 2: Convert to fraction form
    724,764.24/1,000,188.10 = 402,504.32/x
  3. Step 3: Cross multiply
    724,764.24x = 1,000,188.10 × 402,504.32
  4. Step 4: Simplify right side
    724,764.24x = 402,580,034,066.19
  5. Step 5: Solve for x
    x = 402,580,034,066.19/724,764.24
  6. Step 6: Final answer
    x = 555,463.43

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Double scale
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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.