Home / 836,837.55-1,155,131.96-497,301.75

Finding the Fourth Proportional to 836,837.55, 1,155,131.96 and 497,301.75

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Solution

The fourth proportional to 836,837.55, 1,155,131.96 and 497,301.75 is: 686,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,837.55 : 1,155,131.96 = 497,301.75 : x
  2. Step 2: Convert to fraction form
    836,837.55/1,155,131.96 = 497,301.75/x
  3. Step 3: Cross multiply
    836,837.55x = 1,155,131.96 × 497,301.75
  4. Step 4: Simplify right side
    836,837.55x = 574,449,142,702.42
  5. Step 5: Solve for x
    x = 574,449,142,702.42/836,837.55
  6. Step 6: Final answer
    x = 686,452.40

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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.