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Finding the Fourth Proportional to 462,314.40, 693,034.20 and 272,920.20

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Solution

The fourth proportional to 462,314.40, 693,034.20 and 272,920.20 is: 409,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,314.40 : 693,034.20 = 272,920.20 : x
  2. Step 2: Convert to fraction form
    462,314.40/693,034.20 = 272,920.20/x
  3. Step 3: Cross multiply
    462,314.40x = 693,034.20 × 272,920.20
  4. Step 4: Simplify right side
    462,314.40x = 189,143,032,470.84
  5. Step 5: Solve for x
    x = 189,143,032,470.84/462,314.40
  6. Step 6: Final answer
    x = 409,122.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.