Home / 891,932.95-1,230,870.69-484,034.70

Finding the Fourth Proportional to 891,932.95, 1,230,870.69 and 484,034.70

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Solution

The fourth proportional to 891,932.95, 1,230,870.69 and 484,034.70 is: 667,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,932.95 : 1,230,870.69 = 484,034.70 : x
  2. Step 2: Convert to fraction form
    891,932.95/1,230,870.69 = 484,034.70/x
  3. Step 3: Cross multiply
    891,932.95x = 1,230,870.69 × 484,034.70
  4. Step 4: Simplify right side
    891,932.95x = 595,784,125,172.94
  5. Step 5: Solve for x
    x = 595,784,125,172.94/891,932.95
  6. Step 6: Final answer
    x = 667,969.63

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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.