Home / 646,119.59-891,644.96-359,633.52

Finding the Fourth Proportional to 646,119.59, 891,644.96 and 359,633.52

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Solution

The fourth proportional to 646,119.59, 891,644.96 and 359,633.52 is: 496,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,119.59 : 891,644.96 = 359,633.52 : x
  2. Step 2: Convert to fraction form
    646,119.59/891,644.96 = 359,633.52/x
  3. Step 3: Cross multiply
    646,119.59x = 891,644.96 × 359,633.52
  4. Step 4: Simplify right side
    646,119.59x = 320,665,416,454.14
  5. Step 5: Solve for x
    x = 320,665,416,454.14/646,119.59
  6. Step 6: Final answer
    x = 496,294.22

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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.