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Finding the Fourth Proportional to 453,384.30, 625,714.49 and 338,463.39

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Solution

The fourth proportional to 453,384.30, 625,714.49 and 338,463.39 is: 467,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,384.30 : 625,714.49 = 338,463.39 : x
  2. Step 2: Convert to fraction form
    453,384.30/625,714.49 = 338,463.39/x
  3. Step 3: Cross multiply
    453,384.30x = 625,714.49 × 338,463.39
  4. Step 4: Simplify right side
    453,384.30x = 211,781,447,457.52
  5. Step 5: Solve for x
    x = 211,781,447,457.52/453,384.30
  6. Step 6: Final answer
    x = 467,112.44

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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.