Home / 740,147.60-1,108,253.10-472,458.80

Finding the Fourth Proportional to 740,147.60, 1,108,253.10 and 472,458.80

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Solution

The fourth proportional to 740,147.60, 1,108,253.10 and 472,458.80 is: 707,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,147.60 : 1,108,253.10 = 472,458.80 : x
  2. Step 2: Convert to fraction form
    740,147.60/1,108,253.10 = 472,458.80/x
  3. Step 3: Cross multiply
    740,147.60x = 1,108,253.10 × 472,458.80
  4. Step 4: Simplify right side
    740,147.60x = 523,603,929,722.28
  5. Step 5: Solve for x
    x = 523,603,929,722.28/740,147.60
  6. Step 6: Final answer
    x = 707,431.77

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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.