Home / 971,421.98-1,340,931.60-730,404.44

Finding the Fourth Proportional to 971,421.98, 1,340,931.60 and 730,404.44

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Solution

The fourth proportional to 971,421.98, 1,340,931.60 and 730,404.44 is: 1,008,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,421.98 : 1,340,931.60 = 730,404.44 : x
  2. Step 2: Convert to fraction form
    971,421.98/1,340,931.60 = 730,404.44/x
  3. Step 3: Cross multiply
    971,421.98x = 1,340,931.60 × 730,404.44
  4. Step 4: Simplify right side
    971,421.98x = 979,422,394,376.30
  5. Step 5: Solve for x
    x = 979,422,394,376.30/971,421.98
  6. Step 6: Final answer
    x = 1,008,235.78

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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.