Home / 641,746.33-885,620.42-351,353.02

Finding the Fourth Proportional to 641,746.33, 885,620.42 and 351,353.02

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Solution

The fourth proportional to 641,746.33, 885,620.42 and 351,353.02 is: 484,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,746.33 : 885,620.42 = 351,353.02 : x
  2. Step 2: Convert to fraction form
    641,746.33/885,620.42 = 351,353.02/x
  3. Step 3: Cross multiply
    641,746.33x = 885,620.42 × 351,353.02
  4. Step 4: Simplify right side
    641,746.33x = 311,165,409,140.67
  5. Step 5: Solve for x
    x = 311,165,409,140.67/641,746.33
  6. Step 6: Final answer
    x = 484,872.91

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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.