Home / 729,007.20-1,090,011.60-540,050.40

Finding the Fourth Proportional to 729,007.20, 1,090,011.60 and 540,050.40

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Solution

The fourth proportional to 729,007.20, 1,090,011.60 and 540,050.40 is: 807,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,007.20 : 1,090,011.60 = 540,050.40 : x
  2. Step 2: Convert to fraction form
    729,007.20/1,090,011.60 = 540,050.40/x
  3. Step 3: Cross multiply
    729,007.20x = 1,090,011.60 × 540,050.40
  4. Step 4: Simplify right side
    729,007.20x = 588,661,200,584.64
  5. Step 5: Solve for x
    x = 588,661,200,584.64/729,007.20
  6. Step 6: Final answer
    x = 807,483.38

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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.