Home / 758,006.70-1,045,930.08-435,654.55

Finding the Fourth Proportional to 758,006.70, 1,045,930.08 and 435,654.55

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Solution

The fourth proportional to 758,006.70, 1,045,930.08 and 435,654.55 is: 601,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,006.70 : 1,045,930.08 = 435,654.55 : x
  2. Step 2: Convert to fraction form
    758,006.70/1,045,930.08 = 435,654.55/x
  3. Step 3: Cross multiply
    758,006.70x = 1,045,930.08 × 435,654.55
  4. Step 4: Simplify right side
    758,006.70x = 455,664,198,333.86
  5. Step 5: Solve for x
    x = 455,664,198,333.86/758,006.70
  6. Step 6: Final answer
    x = 601,134.79

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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.