Home / 785,321.76-1,177,833.60-216,562.32

Finding the Fourth Proportional to 785,321.76, 1,177,833.60 and 216,562.32

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Solution

The fourth proportional to 785,321.76, 1,177,833.60 and 216,562.32 is: 324,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,321.76 : 1,177,833.60 = 216,562.32 : x
  2. Step 2: Convert to fraction form
    785,321.76/1,177,833.60 = 216,562.32/x
  3. Step 3: Cross multiply
    785,321.76x = 1,177,833.60 × 216,562.32
  4. Step 4: Simplify right side
    785,321.76x = 255,074,376,989.95
  5. Step 5: Solve for x
    x = 255,074,376,989.95/785,321.76
  6. Step 6: Final answer
    x = 324,802.38

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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.