Home / 984,205.72-1,358,197.68-554,623.84

Finding the Fourth Proportional to 984,205.72, 1,358,197.68 and 554,623.84

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Solution

The fourth proportional to 984,205.72, 1,358,197.68 and 554,623.84 is: 765,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,205.72 : 1,358,197.68 = 554,623.84 : x
  2. Step 2: Convert to fraction form
    984,205.72/1,358,197.68 = 554,623.84/x
  3. Step 3: Cross multiply
    984,205.72x = 1,358,197.68 × 554,623.84
  4. Step 4: Simplify right side
    984,205.72x = 753,288,812,760.69
  5. Step 5: Solve for x
    x = 753,288,812,760.69/984,205.72
  6. Step 6: Final answer
    x = 765,377.40

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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.