Home / 424,721.95-586,049.38-243,399

Finding the Fourth Proportional to 424,721.95, 586,049.38 and 243,399

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Solution

The fourth proportional to 424,721.95, 586,049.38 and 243,399 is: 335,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,721.95 : 586,049.38 = 243,399 : x
  2. Step 2: Convert to fraction form
    424,721.95/586,049.38 = 243,399/x
  3. Step 3: Cross multiply
    424,721.95x = 586,049.38 × 243,399
  4. Step 4: Simplify right side
    424,721.95x = 142,643,833,042.62
  5. Step 5: Solve for x
    x = 142,643,833,042.62/424,721.95
  6. Step 6: Final answer
    x = 335,852.27

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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.