Home / 830,921.12-1,246,549.34-262,391.02

Finding the Fourth Proportional to 830,921.12, 1,246,549.34 and 262,391.02

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Solution

The fourth proportional to 830,921.12, 1,246,549.34 and 262,391.02 is: 393,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,921.12 : 1,246,549.34 = 262,391.02 : x
  2. Step 2: Convert to fraction form
    830,921.12/1,246,549.34 = 262,391.02/x
  3. Step 3: Cross multiply
    830,921.12x = 1,246,549.34 × 262,391.02
  4. Step 4: Simplify right side
    830,921.12x = 327,083,352,802.93
  5. Step 5: Solve for x
    x = 327,083,352,802.93/830,921.12
  6. Step 6: Final answer
    x = 393,639.47

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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.