Home / 782,034.40-1,174,477.20-684,056.80

Finding the Fourth Proportional to 782,034.40, 1,174,477.20 and 684,056.80

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Solution

The fourth proportional to 782,034.40, 1,174,477.20 and 684,056.80 is: 1,027,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,034.40 : 1,174,477.20 = 684,056.80 : x
  2. Step 2: Convert to fraction form
    782,034.40/1,174,477.20 = 684,056.80/x
  3. Step 3: Cross multiply
    782,034.40x = 1,174,477.20 × 684,056.80
  4. Step 4: Simplify right side
    782,034.40x = 803,409,115,104.96
  5. Step 5: Solve for x
    x = 803,409,115,104.96/782,034.40
  6. Step 6: Final answer
    x = 1,027,332.19

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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.