Home / 982,880.94-1,356,419.34-553,188.90

Finding the Fourth Proportional to 982,880.94, 1,356,419.34 and 553,188.90

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Solution

The fourth proportional to 982,880.94, 1,356,419.34 and 553,188.90 is: 763,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,880.94 : 1,356,419.34 = 553,188.90 : x
  2. Step 2: Convert to fraction form
    982,880.94/1,356,419.34 = 553,188.90/x
  3. Step 3: Cross multiply
    982,880.94x = 1,356,419.34 × 553,188.90
  4. Step 4: Simplify right side
    982,880.94x = 750,356,122,633.33
  5. Step 5: Solve for x
    x = 750,356,122,633.33/982,880.94
  6. Step 6: Final answer
    x = 763,425.25

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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.