Home / 740,209.56-1,109,665.62-355,766.13

Finding the Fourth Proportional to 740,209.56, 1,109,665.62 and 355,766.13

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Solution

The fourth proportional to 740,209.56, 1,109,665.62 and 355,766.13 is: 533,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,209.56 : 1,109,665.62 = 355,766.13 : x
  2. Step 2: Convert to fraction form
    740,209.56/1,109,665.62 = 355,766.13/x
  3. Step 3: Cross multiply
    740,209.56x = 1,109,665.62 × 355,766.13
  4. Step 4: Simplify right side
    740,209.56x = 394,781,443,221.45
  5. Step 5: Solve for x
    x = 394,781,443,221.45/740,209.56
  6. Step 6: Final answer
    x = 533,337.40

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Double scale
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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.