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Finding the Fourth Proportional to 877,455, 1,316,182.68 and 316,489.44

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Solution

The fourth proportional to 877,455, 1,316,182.68 and 316,489.44 is: 474,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,455 : 1,316,182.68 = 316,489.44 : x
  2. Step 2: Convert to fraction form
    877,455/1,316,182.68 = 316,489.44/x
  3. Step 3: Cross multiply
    877,455x = 1,316,182.68 × 316,489.44
  4. Step 4: Simplify right side
    877,455x = 416,557,919,330.90
  5. Step 5: Solve for x
    x = 416,557,919,330.90/877,455
  6. Step 6: Final answer
    x = 474,734.22

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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.