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Finding the Fourth Proportional to 648,775.68, 895,114.80 and 376,791.14

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Solution

The fourth proportional to 648,775.68, 895,114.80 and 376,791.14 is: 519,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,775.68 : 895,114.80 = 376,791.14 : x
  2. Step 2: Convert to fraction form
    648,775.68/895,114.80 = 376,791.14/x
  3. Step 3: Cross multiply
    648,775.68x = 895,114.80 × 376,791.14
  4. Step 4: Simplify right side
    648,775.68x = 337,271,328,160.66
  5. Step 5: Solve for x
    x = 337,271,328,160.66/648,775.68
  6. Step 6: Final answer
    x = 519,858.16

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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.