Home / 900,027.04-1,242,080.40-497,644.96

Finding the Fourth Proportional to 900,027.04, 1,242,080.40 and 497,644.96

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Solution

The fourth proportional to 900,027.04, 1,242,080.40 and 497,644.96 is: 686,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,027.04 : 1,242,080.40 = 497,644.96 : x
  2. Step 2: Convert to fraction form
    900,027.04/1,242,080.40 = 497,644.96/x
  3. Step 3: Cross multiply
    900,027.04x = 1,242,080.40 × 497,644.96
  4. Step 4: Simplify right side
    900,027.04x = 618,115,050,974.78
  5. Step 5: Solve for x
    x = 618,115,050,974.78/900,027.04
  6. Step 6: Final answer
    x = 686,773.87

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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.