Home / 987,983.28-1,363,382.01-558,254.19

Finding the Fourth Proportional to 987,983.28, 1,363,382.01 and 558,254.19

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Solution

The fourth proportional to 987,983.28, 1,363,382.01 and 558,254.19 is: 770,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,983.28 : 1,363,382.01 = 558,254.19 : x
  2. Step 2: Convert to fraction form
    987,983.28/1,363,382.01 = 558,254.19/x
  3. Step 3: Cross multiply
    987,983.28x = 1,363,382.01 × 558,254.19
  4. Step 4: Simplify right side
    987,983.28x = 761,113,719,653.12
  5. Step 5: Solve for x
    x = 761,113,719,653.12/987,983.28
  6. Step 6: Final answer
    x = 770,371.05

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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.