Home / 862,508.15-1,294,362.54-357,071.75

Finding the Fourth Proportional to 862,508.15, 1,294,362.54 and 357,071.75

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Solution

The fourth proportional to 862,508.15, 1,294,362.54 and 357,071.75 is: 535,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,508.15 : 1,294,362.54 = 357,071.75 : x
  2. Step 2: Convert to fraction form
    862,508.15/1,294,362.54 = 357,071.75/x
  3. Step 3: Cross multiply
    862,508.15x = 1,294,362.54 × 357,071.75
  4. Step 4: Simplify right side
    862,508.15x = 462,180,289,035.07
  5. Step 5: Solve for x
    x = 462,180,289,035.07/862,508.15
  6. Step 6: Final answer
    x = 535,856.14

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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.