Home / 868,102.53-1,197,685.95-505,449.63

Finding the Fourth Proportional to 868,102.53, 1,197,685.95 and 505,449.63

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Solution

The fourth proportional to 868,102.53, 1,197,685.95 and 505,449.63 is: 697,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,102.53 : 1,197,685.95 = 505,449.63 : x
  2. Step 2: Convert to fraction form
    868,102.53/1,197,685.95 = 505,449.63/x
  3. Step 3: Cross multiply
    868,102.53x = 1,197,685.95 × 505,449.63
  4. Step 4: Simplify right side
    868,102.53x = 605,369,920,283.70
  5. Step 5: Solve for x
    x = 605,369,920,283.70/868,102.53
  6. Step 6: Final answer
    x = 697,348.41

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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.