Home / 658,272.78-908,417.07-371,793.42

Finding the Fourth Proportional to 658,272.78, 908,417.07 and 371,793.42

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Solution

The fourth proportional to 658,272.78, 908,417.07 and 371,793.42 is: 513,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,272.78 : 908,417.07 = 371,793.42 : x
  2. Step 2: Convert to fraction form
    658,272.78/908,417.07 = 371,793.42/x
  3. Step 3: Cross multiply
    658,272.78x = 908,417.07 × 371,793.42
  4. Step 4: Simplify right side
    658,272.78x = 337,743,489,241.68
  5. Step 5: Solve for x
    x = 337,743,489,241.68/658,272.78
  6. Step 6: Final answer
    x = 513,075.28

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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.