Home / 862,294.40-1,293,995.02-578,305.52

Finding the Fourth Proportional to 862,294.40, 1,293,995.02 and 578,305.52

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Solution

The fourth proportional to 862,294.40, 1,293,995.02 and 578,305.52 is: 867,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,294.40 : 1,293,995.02 = 578,305.52 : x
  2. Step 2: Convert to fraction form
    862,294.40/1,293,995.02 = 578,305.52/x
  3. Step 3: Cross multiply
    862,294.40x = 1,293,995.02 × 578,305.52
  4. Step 4: Simplify right side
    862,294.40x = 748,324,464,707.73
  5. Step 5: Solve for x
    x = 748,324,464,707.73/862,294.40
  6. Step 6: Final answer
    x = 867,829.44

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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.