Home / 849,419.71-1,172,199.36-467,446.49

Finding the Fourth Proportional to 849,419.71, 1,172,199.36 and 467,446.49

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Solution

The fourth proportional to 849,419.71, 1,172,199.36 and 467,446.49 is: 645,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,419.71 : 1,172,199.36 = 467,446.49 : x
  2. Step 2: Convert to fraction form
    849,419.71/1,172,199.36 = 467,446.49/x
  3. Step 3: Cross multiply
    849,419.71x = 1,172,199.36 × 467,446.49
  4. Step 4: Simplify right side
    849,419.71x = 547,940,476,412.25
  5. Step 5: Solve for x
    x = 547,940,476,412.25/849,419.71
  6. Step 6: Final answer
    x = 645,076.25

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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.