Home / 713,720.24-984,844.02-391,345.52

Finding the Fourth Proportional to 713,720.24, 984,844.02 and 391,345.52

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Solution

The fourth proportional to 713,720.24, 984,844.02 and 391,345.52 is: 540,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,720.24 : 984,844.02 = 391,345.52 : x
  2. Step 2: Convert to fraction form
    713,720.24/984,844.02 = 391,345.52/x
  3. Step 3: Cross multiply
    713,720.24x = 984,844.02 × 391,345.52
  4. Step 4: Simplify right side
    713,720.24x = 385,414,295,125.79
  5. Step 5: Solve for x
    x = 385,414,295,125.79/713,720.24
  6. Step 6: Final answer
    x = 540,007.52

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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.