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Finding the Fourth Proportional to 876,989, 1,210,244.82 and 474,581

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Solution

The fourth proportional to 876,989, 1,210,244.82 and 474,581 is: 654,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,989 : 1,210,244.82 = 474,581 : x
  2. Step 2: Convert to fraction form
    876,989/1,210,244.82 = 474,581/x
  3. Step 3: Cross multiply
    876,989x = 1,210,244.82 × 474,581
  4. Step 4: Simplify right side
    876,989x = 574,359,196,920.42
  5. Step 5: Solve for x
    x = 574,359,196,920.42/876,989
  6. Step 6: Final answer
    x = 654,921.78

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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.