Home / 646,375.24-891,164.04-529,654.72

Finding the Fourth Proportional to 646,375.24, 891,164.04 and 529,654.72

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Solution

The fourth proportional to 646,375.24, 891,164.04 and 529,654.72 is: 730,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,375.24 : 891,164.04 = 529,654.72 : x
  2. Step 2: Convert to fraction form
    646,375.24/891,164.04 = 529,654.72/x
  3. Step 3: Cross multiply
    646,375.24x = 891,164.04 × 529,654.72
  4. Step 4: Simplify right side
    646,375.24x = 472,009,240,080.27
  5. Step 5: Solve for x
    x = 472,009,240,080.27/646,375.24
  6. Step 6: Final answer
    x = 730,240.29

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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.