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Finding the Fourth Proportional to 474,437.92, 654,740.67 and 259,577.98

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Solution

The fourth proportional to 474,437.92, 654,740.67 and 259,577.98 is: 358,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,437.92 : 654,740.67 = 259,577.98 : x
  2. Step 2: Convert to fraction form
    474,437.92/654,740.67 = 259,577.98/x
  3. Step 3: Cross multiply
    474,437.92x = 654,740.67 × 259,577.98
  4. Step 4: Simplify right side
    474,437.92x = 169,956,260,542.45
  5. Step 5: Solve for x
    x = 169,956,260,542.45/474,437.92
  6. Step 6: Final answer
    x = 358,226.55

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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.