Home / 847,517.60-1,271,272.56-286,939.04

Finding the Fourth Proportional to 847,517.60, 1,271,272.56 and 286,939.04

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Solution

The fourth proportional to 847,517.60, 1,271,272.56 and 286,939.04 is: 430,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,517.60 : 1,271,272.56 = 286,939.04 : x
  2. Step 2: Convert to fraction form
    847,517.60/1,271,272.56 = 286,939.04/x
  3. Step 3: Cross multiply
    847,517.60x = 1,271,272.56 × 286,939.04
  4. Step 4: Simplify right side
    847,517.60x = 364,777,727,944.74
  5. Step 5: Solve for x
    x = 364,777,727,944.74/847,517.60
  6. Step 6: Final answer
    x = 430,407.26

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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.