Home / 915,023.32-1,262,697.80-507,132.12

Finding the Fourth Proportional to 915,023.32, 1,262,697.80 and 507,132.12

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Solution

The fourth proportional to 915,023.32, 1,262,697.80 and 507,132.12 is: 699,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,023.32 : 1,262,697.80 = 507,132.12 : x
  2. Step 2: Convert to fraction form
    915,023.32/1,262,697.80 = 507,132.12/x
  3. Step 3: Cross multiply
    915,023.32x = 1,262,697.80 × 507,132.12
  4. Step 4: Simplify right side
    915,023.32x = 640,354,614,432.79
  5. Step 5: Solve for x
    x = 640,354,614,432.79/915,023.32
  6. Step 6: Final answer
    x = 699,823.27

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Double scale
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1.5x scale

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.