Home / 852,807.48-1,176,977.52-485,373.95

Finding the Fourth Proportional to 852,807.48, 1,176,977.52 and 485,373.95

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Solution

The fourth proportional to 852,807.48, 1,176,977.52 and 485,373.95 is: 669,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,807.48 : 1,176,977.52 = 485,373.95 : x
  2. Step 2: Convert to fraction form
    852,807.48/1,176,977.52 = 485,373.95/x
  3. Step 3: Cross multiply
    852,807.48x = 1,176,977.52 × 485,373.95
  4. Step 4: Simplify right side
    852,807.48x = 571,274,227,943.60
  5. Step 5: Solve for x
    x = 571,274,227,943.60/852,807.48
  6. Step 6: Final answer
    x = 669,874.79

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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.