Home / 926,489.60-1,278,496.20-518,522.60

Finding the Fourth Proportional to 926,489.60, 1,278,496.20 and 518,522.60

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Solution

The fourth proportional to 926,489.60, 1,278,496.20 and 518,522.60 is: 715,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,489.60 : 1,278,496.20 = 518,522.60 : x
  2. Step 2: Convert to fraction form
    926,489.60/1,278,496.20 = 518,522.60/x
  3. Step 3: Cross multiply
    926,489.60x = 1,278,496.20 × 518,522.60
  4. Step 4: Simplify right side
    926,489.60x = 662,929,173,714.12
  5. Step 5: Solve for x
    x = 662,929,173,714.12/926,489.60
  6. Step 6: Final answer
    x = 715,527.92

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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.