Home / 984,617.70-1,358,753.49-554,889.21

Finding the Fourth Proportional to 984,617.70, 1,358,753.49 and 554,889.21

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Solution

The fourth proportional to 984,617.70, 1,358,753.49 and 554,889.21 is: 765,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,617.70 : 1,358,753.49 = 554,889.21 : x
  2. Step 2: Convert to fraction form
    984,617.70/1,358,753.49 = 554,889.21/x
  3. Step 3: Cross multiply
    984,617.70x = 1,358,753.49 × 554,889.21
  4. Step 4: Simplify right side
    984,617.70x = 753,957,651,966.89
  5. Step 5: Solve for x
    x = 753,957,651,966.89/984,617.70
  6. Step 6: Final answer
    x = 765,736.44

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1.5x scale

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.