Home / 908,416.32-1,253,629.10-500,512.26

Finding the Fourth Proportional to 908,416.32, 1,253,629.10 and 500,512.26

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Solution

The fourth proportional to 908,416.32, 1,253,629.10 and 500,512.26 is: 690,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,416.32 : 1,253,629.10 = 500,512.26 : x
  2. Step 2: Convert to fraction form
    908,416.32/1,253,629.10 = 500,512.26/x
  3. Step 3: Cross multiply
    908,416.32x = 1,253,629.10 × 500,512.26
  4. Step 4: Simplify right side
    908,416.32x = 627,456,739,995.16
  5. Step 5: Solve for x
    x = 627,456,739,995.16/908,416.32
  6. Step 6: Final answer
    x = 690,714.96

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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.