Home / 862,508.28-1,294,362.73-357,071.87

Finding the Fourth Proportional to 862,508.28, 1,294,362.73 and 357,071.87

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Solution

The fourth proportional to 862,508.28, 1,294,362.73 and 357,071.87 is: 535,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,508.28 : 1,294,362.73 = 357,071.87 : x
  2. Step 2: Convert to fraction form
    862,508.28/1,294,362.73 = 357,071.87/x
  3. Step 3: Cross multiply
    862,508.28x = 1,294,362.73 × 357,071.87
  4. Step 4: Simplify right side
    862,508.28x = 462,180,521,909.95
  5. Step 5: Solve for x
    x = 462,180,521,909.95/862,508.28
  6. Step 6: Final answer
    x = 535,856.33

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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.