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Finding the Fourth Proportional to 612,114.20, 844,700.72 and 340,175.24

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Solution

The fourth proportional to 612,114.20, 844,700.72 and 340,175.24 is: 469,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,114.20 : 844,700.72 = 340,175.24 : x
  2. Step 2: Convert to fraction form
    612,114.20/844,700.72 = 340,175.24/x
  3. Step 3: Cross multiply
    612,114.20x = 844,700.72 × 340,175.24
  4. Step 4: Simplify right side
    612,114.20x = 287,346,270,154.17
  5. Step 5: Solve for x
    x = 287,346,270,154.17/612,114.20
  6. Step 6: Final answer
    x = 469,432.45

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1.5x scale

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.