Home / 921,247.20-1,378,749.60-566,485.92

Finding the Fourth Proportional to 921,247.20, 1,378,749.60 and 566,485.92

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Solution

The fourth proportional to 921,247.20, 1,378,749.60 and 566,485.92 is: 847,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,247.20 : 1,378,749.60 = 566,485.92 : x
  2. Step 2: Convert to fraction form
    921,247.20/1,378,749.60 = 566,485.92/x
  3. Step 3: Cross multiply
    921,247.20x = 1,378,749.60 × 566,485.92
  4. Step 4: Simplify right side
    921,247.20x = 781,042,235,605.63
  5. Step 5: Solve for x
    x = 781,042,235,605.63/921,247.20
  6. Step 6: Final answer
    x = 847,809.62

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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.