Home / 768,007.20-1,152,010.80-472,685.60

Finding the Fourth Proportional to 768,007.20, 1,152,010.80 and 472,685.60

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Solution

The fourth proportional to 768,007.20, 1,152,010.80 and 472,685.60 is: 709,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,007.20 : 1,152,010.80 = 472,685.60 : x
  2. Step 2: Convert to fraction form
    768,007.20/1,152,010.80 = 472,685.60/x
  3. Step 3: Cross multiply
    768,007.20x = 1,152,010.80 × 472,685.60
  4. Step 4: Simplify right side
    768,007.20x = 544,538,916,204.48
  5. Step 5: Solve for x
    x = 544,538,916,204.48/768,007.20
  6. Step 6: Final answer
    x = 709,028.40

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Similar ratio
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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.