Home / 955,438.40-1,318,354.44-547,461.74

Finding the Fourth Proportional to 955,438.40, 1,318,354.44 and 547,461.74

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Solution

The fourth proportional to 955,438.40, 1,318,354.44 and 547,461.74 is: 755,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,438.40 : 1,318,354.44 = 547,461.74 : x
  2. Step 2: Convert to fraction form
    955,438.40/1,318,354.44 = 547,461.74/x
  3. Step 3: Cross multiply
    955,438.40x = 1,318,354.44 × 547,461.74
  4. Step 4: Simplify right side
    955,438.40x = 721,748,609,067.35
  5. Step 5: Solve for x
    x = 721,748,609,067.35/955,438.40
  6. Step 6: Final answer
    x = 755,410.93

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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.