Home / 724,844.34-1,000,257.66-402,575.11

Finding the Fourth Proportional to 724,844.34, 1,000,257.66 and 402,575.11

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Solution

The fourth proportional to 724,844.34, 1,000,257.66 and 402,575.11 is: 555,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,844.34 : 1,000,257.66 = 402,575.11 : x
  2. Step 2: Convert to fraction form
    724,844.34/1,000,257.66 = 402,575.11/x
  3. Step 3: Cross multiply
    724,844.34x = 1,000,257.66 × 402,575.11
  4. Step 4: Simplify right side
    724,844.34x = 402,678,835,002.20
  5. Step 5: Solve for x
    x = 402,678,835,002.20/724,844.34
  6. Step 6: Final answer
    x = 555,538.36

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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.