Home / 424,720.45-586,047.31-243,397.50

Finding the Fourth Proportional to 424,720.45, 586,047.31 and 243,397.50

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Solution

The fourth proportional to 424,720.45, 586,047.31 and 243,397.50 is: 335,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,720.45 : 586,047.31 = 243,397.50 : x
  2. Step 2: Convert to fraction form
    424,720.45/586,047.31 = 243,397.50/x
  3. Step 3: Cross multiply
    424,720.45x = 586,047.31 × 243,397.50
  4. Step 4: Simplify right side
    424,720.45x = 142,642,450,135.73
  5. Step 5: Solve for x
    x = 142,642,450,135.73/424,720.45
  6. Step 6: Final answer
    x = 335,850.20

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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.