Home / 678,983.88-1,016,551.26-564,210.12

Finding the Fourth Proportional to 678,983.88, 1,016,551.26 and 564,210.12

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Solution

The fourth proportional to 678,983.88, 1,016,551.26 and 564,210.12 is: 844,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,983.88 : 1,016,551.26 = 564,210.12 : x
  2. Step 2: Convert to fraction form
    678,983.88/1,016,551.26 = 564,210.12/x
  3. Step 3: Cross multiply
    678,983.88x = 1,016,551.26 × 564,210.12
  4. Step 4: Simplify right side
    678,983.88x = 573,548,508,390.75
  5. Step 5: Solve for x
    x = 573,548,508,390.75/678,983.88
  6. Step 6: Final answer
    x = 844,715.94

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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.