Home / 877,912.76-1,211,617.96-495,964.14

Finding the Fourth Proportional to 877,912.76, 1,211,617.96 and 495,964.14

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Solution

The fourth proportional to 877,912.76, 1,211,617.96 and 495,964.14 is: 684,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,912.76 : 1,211,617.96 = 495,964.14 : x
  2. Step 2: Convert to fraction form
    877,912.76/1,211,617.96 = 495,964.14/x
  3. Step 3: Cross multiply
    877,912.76x = 1,211,617.96 × 495,964.14
  4. Step 4: Simplify right side
    877,912.76x = 600,919,059,539.95
  5. Step 5: Solve for x
    x = 600,919,059,539.95/877,912.76
  6. Step 6: Final answer
    x = 684,486.08

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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.