Home / 881,012.30-1,216,382.06-676,697.90

Finding the Fourth Proportional to 881,012.30, 1,216,382.06 and 676,697.90

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Solution

The fourth proportional to 881,012.30, 1,216,382.06 and 676,697.90 is: 934,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,012.30 : 1,216,382.06 = 676,697.90 : x
  2. Step 2: Convert to fraction form
    881,012.30/1,216,382.06 = 676,697.90/x
  3. Step 3: Cross multiply
    881,012.30x = 1,216,382.06 × 676,697.90
  4. Step 4: Simplify right side
    881,012.30x = 823,123,181,209.51
  5. Step 5: Solve for x
    x = 823,123,181,209.51/881,012.30
  6. Step 6: Final answer
    x = 934,292.50

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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.