Home / 650,686.02-976,197.30-381,041.88

Finding the Fourth Proportional to 650,686.02, 976,197.30 and 381,041.88

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Solution

The fourth proportional to 650,686.02, 976,197.30 and 381,041.88 is: 571,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,686.02 : 976,197.30 = 381,041.88 : x
  2. Step 2: Convert to fraction form
    650,686.02/976,197.30 = 381,041.88/x
  3. Step 3: Cross multiply
    650,686.02x = 976,197.30 × 381,041.88
  4. Step 4: Simplify right side
    650,686.02x = 371,972,054,442.92
  5. Step 5: Solve for x
    x = 371,972,054,442.92/650,686.02
  6. Step 6: Final answer
    x = 571,661.36

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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.