Home / 830,921.12-1,246,549.36-262,391.04

Finding the Fourth Proportional to 830,921.12, 1,246,549.36 and 262,391.04

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Solution

The fourth proportional to 830,921.12, 1,246,549.36 and 262,391.04 is: 393,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,921.12 : 1,246,549.36 = 262,391.04 : x
  2. Step 2: Convert to fraction form
    830,921.12/1,246,549.36 = 262,391.04/x
  3. Step 3: Cross multiply
    830,921.12x = 1,246,549.36 × 262,391.04
  4. Step 4: Simplify right side
    830,921.12x = 327,083,382,981.73
  5. Step 5: Solve for x
    x = 327,083,382,981.73/830,921.12
  6. Step 6: Final answer
    x = 393,639.51

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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.