Home / 741,214.60-1,022,985.85-469,307.72

Finding the Fourth Proportional to 741,214.60, 1,022,985.85 and 469,307.72

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Solution

The fourth proportional to 741,214.60, 1,022,985.85 and 469,307.72 is: 647,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,214.60 : 1,022,985.85 = 469,307.72 : x
  2. Step 2: Convert to fraction form
    741,214.60/1,022,985.85 = 469,307.72/x
  3. Step 3: Cross multiply
    741,214.60x = 1,022,985.85 × 469,307.72
  4. Step 4: Simplify right side
    741,214.60x = 480,095,156,855.76
  5. Step 5: Solve for x
    x = 480,095,156,855.76/741,214.60
  6. Step 6: Final answer
    x = 647,714.11

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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.