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Finding the Fourth Proportional to 844,710.12, 1,165,700.22 and 462,750.60

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Solution

The fourth proportional to 844,710.12, 1,165,700.22 and 462,750.60 is: 638,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,710.12 : 1,165,700.22 = 462,750.60 : x
  2. Step 2: Convert to fraction form
    844,710.12/1,165,700.22 = 462,750.60/x
  3. Step 3: Cross multiply
    844,710.12x = 1,165,700.22 × 462,750.60
  4. Step 4: Simplify right side
    844,710.12x = 539,428,476,225.13
  5. Step 5: Solve for x
    x = 539,428,476,225.13/844,710.12
  6. Step 6: Final answer
    x = 638,595.97

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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.