Home / 724,245.20-1,000,432.32-556,575.20

Finding the Fourth Proportional to 724,245.20, 1,000,432.32 and 556,575.20

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Solution

The fourth proportional to 724,245.20, 1,000,432.32 and 556,575.20 is: 768,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,245.20 : 1,000,432.32 = 556,575.20 : x
  2. Step 2: Convert to fraction form
    724,245.20/1,000,432.32 = 556,575.20/x
  3. Step 3: Cross multiply
    724,245.20x = 1,000,432.32 × 556,575.20
  4. Step 4: Simplify right side
    724,245.20x = 556,815,818,590.46
  5. Step 5: Solve for x
    x = 556,815,818,590.46/724,245.20
  6. Step 6: Final answer
    x = 768,822.24

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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.