Home / 986,748.28-1,361,716.62-534,039.16

Finding the Fourth Proportional to 986,748.28, 1,361,716.62 and 534,039.16

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Solution

The fourth proportional to 986,748.28, 1,361,716.62 and 534,039.16 is: 736,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,748.28 : 1,361,716.62 = 534,039.16 : x
  2. Step 2: Convert to fraction form
    986,748.28/1,361,716.62 = 534,039.16/x
  3. Step 3: Cross multiply
    986,748.28x = 1,361,716.62 × 534,039.16
  4. Step 4: Simplify right side
    986,748.28x = 727,209,999,902.84
  5. Step 5: Solve for x
    x = 727,209,999,902.84/986,748.28
  6. Step 6: Final answer
    x = 736,976.20

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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.