Home / 849,417.13-1,172,195.83-467,443.91

Finding the Fourth Proportional to 849,417.13, 1,172,195.83 and 467,443.91

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Solution

The fourth proportional to 849,417.13, 1,172,195.83 and 467,443.91 is: 645,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,417.13 : 1,172,195.83 = 467,443.91 : x
  2. Step 2: Convert to fraction form
    849,417.13/1,172,195.83 = 467,443.91/x
  3. Step 3: Cross multiply
    849,417.13x = 1,172,195.83 × 467,443.91
  4. Step 4: Simplify right side
    849,417.13x = 547,935,805,575.69
  5. Step 5: Solve for x
    x = 547,935,805,575.69/849,417.13
  6. Step 6: Final answer
    x = 645,072.70

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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.