Home / 927,987.60-1,280,562.24-545,940.56

Finding the Fourth Proportional to 927,987.60, 1,280,562.24 and 545,940.56

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Solution

The fourth proportional to 927,987.60, 1,280,562.24 and 545,940.56 is: 753,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,987.60 : 1,280,562.24 = 545,940.56 : x
  2. Step 2: Convert to fraction form
    927,987.60/1,280,562.24 = 545,940.56/x
  3. Step 3: Cross multiply
    927,987.60x = 1,280,562.24 × 545,940.56
  4. Step 4: Simplify right side
    927,987.60x = 699,110,866,420.46
  5. Step 5: Solve for x
    x = 699,110,866,420.46/927,987.60
  6. Step 6: Final answer
    x = 753,362.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.