Home / 720,552.50-1,080,789.78-365,557.31

Finding the Fourth Proportional to 720,552.50, 1,080,789.78 and 365,557.31

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Solution

The fourth proportional to 720,552.50, 1,080,789.78 and 365,557.31 is: 548,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,552.50 : 1,080,789.78 = 365,557.31 : x
  2. Step 2: Convert to fraction form
    720,552.50/1,080,789.78 = 365,557.31/x
  3. Step 3: Cross multiply
    720,552.50x = 1,080,789.78 × 365,557.31
  4. Step 4: Simplify right side
    720,552.50x = 395,090,604,652.29
  5. Step 5: Solve for x
    x = 395,090,604,652.29/720,552.50
  6. Step 6: Final answer
    x = 548,316.19

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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.