Home / 758,673.90-1,138,010.85-197,708.40

Finding the Fourth Proportional to 758,673.90, 1,138,010.85 and 197,708.40

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Solution

The fourth proportional to 758,673.90, 1,138,010.85 and 197,708.40 is: 296,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,673.90 : 1,138,010.85 = 197,708.40 : x
  2. Step 2: Convert to fraction form
    758,673.90/1,138,010.85 = 197,708.40/x
  3. Step 3: Cross multiply
    758,673.90x = 1,138,010.85 × 197,708.40
  4. Step 4: Simplify right side
    758,673.90x = 224,994,304,336.14
  5. Step 5: Solve for x
    x = 224,994,304,336.14/758,673.90
  6. Step 6: Final answer
    x = 296,562.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.