Home / 657,428.49-986,748.94-333,443.97

Finding the Fourth Proportional to 657,428.49, 986,748.94 and 333,443.97

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Solution

The fourth proportional to 657,428.49, 986,748.94 and 333,443.97 is: 500,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,428.49 : 986,748.94 = 333,443.97 : x
  2. Step 2: Convert to fraction form
    657,428.49/986,748.94 = 333,443.97/x
  3. Step 3: Cross multiply
    657,428.49x = 986,748.94 × 333,443.97
  4. Step 4: Simplify right side
    657,428.49x = 329,025,483,113.28
  5. Step 5: Solve for x
    x = 329,025,483,113.28/657,428.49
  6. Step 6: Final answer
    x = 500,473.42

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1.5x scale

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.