Home / 780,400.80-1,168,009.20-566,560.80

Finding the Fourth Proportional to 780,400.80, 1,168,009.20 and 566,560.80

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Solution

The fourth proportional to 780,400.80, 1,168,009.20 and 566,560.80 is: 847,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,400.80 : 1,168,009.20 = 566,560.80 : x
  2. Step 2: Convert to fraction form
    780,400.80/1,168,009.20 = 566,560.80/x
  3. Step 3: Cross multiply
    780,400.80x = 1,168,009.20 × 566,560.80
  4. Step 4: Simplify right side
    780,400.80x = 661,748,226,759.36
  5. Step 5: Solve for x
    x = 661,748,226,759.36/780,400.80
  6. Step 6: Final answer
    x = 847,959.44

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1.5x scale

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.