Home / 780,112.80-1,167,577.20-566,272.80

Finding the Fourth Proportional to 780,112.80, 1,167,577.20 and 566,272.80

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Solution

The fourth proportional to 780,112.80, 1,167,577.20 and 566,272.80 is: 847,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,112.80 : 1,167,577.20 = 566,272.80 : x
  2. Step 2: Convert to fraction form
    780,112.80/1,167,577.20 = 566,272.80/x
  3. Step 3: Cross multiply
    780,112.80x = 1,167,577.20 × 566,272.80
  4. Step 4: Simplify right side
    780,112.80x = 661,167,210,260.16
  5. Step 5: Solve for x
    x = 661,167,210,260.16/780,112.80
  6. Step 6: Final answer
    x = 847,527.70

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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.