Home / 754,763.43-1,132,018.01-214,981.75

Finding the Fourth Proportional to 754,763.43, 1,132,018.01 and 214,981.75

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Solution

The fourth proportional to 754,763.43, 1,132,018.01 and 214,981.75 is: 322,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,763.43 : 1,132,018.01 = 214,981.75 : x
  2. Step 2: Convert to fraction form
    754,763.43/1,132,018.01 = 214,981.75/x
  3. Step 3: Cross multiply
    754,763.43x = 1,132,018.01 × 214,981.75
  4. Step 4: Simplify right side
    754,763.43x = 243,363,218,360.69
  5. Step 5: Solve for x
    x = 243,363,218,360.69/754,763.43
  6. Step 6: Final answer
    x = 322,436.42

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1.5x scale

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.