Home / 657,369.11-907,150.95-370,915.85

Finding the Fourth Proportional to 657,369.11, 907,150.95 and 370,915.85

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Solution

The fourth proportional to 657,369.11, 907,150.95 and 370,915.85 is: 511,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,369.11 : 907,150.95 = 370,915.85 : x
  2. Step 2: Convert to fraction form
    657,369.11/907,150.95 = 370,915.85/x
  3. Step 3: Cross multiply
    657,369.11x = 907,150.95 × 370,915.85
  4. Step 4: Simplify right side
    657,369.11x = 336,476,661,161.80
  5. Step 5: Solve for x
    x = 336,476,661,161.80/657,369.11
  6. Step 6: Final answer
    x = 511,853.48

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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.