Home / 657,733.28-907,673.12-355,927.36

Finding the Fourth Proportional to 657,733.28, 907,673.12 and 355,927.36

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Solution

The fourth proportional to 657,733.28, 907,673.12 and 355,927.36 is: 491,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,733.28 : 907,673.12 = 355,927.36 : x
  2. Step 2: Convert to fraction form
    657,733.28/907,673.12 = 355,927.36/x
  3. Step 3: Cross multiply
    657,733.28x = 907,673.12 × 355,927.36
  4. Step 4: Simplify right side
    657,733.28x = 323,065,697,344.56
  5. Step 5: Solve for x
    x = 323,065,697,344.56/657,733.28
  6. Step 6: Final answer
    x = 491,180.40

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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.