Home / 984,620.64-1,358,757.54-554,892.15

Finding the Fourth Proportional to 984,620.64, 1,358,757.54 and 554,892.15

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Solution

The fourth proportional to 984,620.64, 1,358,757.54 and 554,892.15 is: 765,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,620.64 : 1,358,757.54 = 554,892.15 : x
  2. Step 2: Convert to fraction form
    984,620.64/1,358,757.54 = 554,892.15/x
  3. Step 3: Cross multiply
    984,620.64x = 1,358,757.54 × 554,892.15
  4. Step 4: Simplify right side
    984,620.64x = 753,963,892,699.31
  5. Step 5: Solve for x
    x = 753,963,892,699.31/984,620.64
  6. Step 6: Final answer
    x = 765,740.49

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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.