Home / 984,799.68-1,359,007.20-555,080.64

Finding the Fourth Proportional to 984,799.68, 1,359,007.20 and 555,080.64

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Solution

The fourth proportional to 984,799.68, 1,359,007.20 and 555,080.64 is: 766,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,799.68 : 1,359,007.20 = 555,080.64 : x
  2. Step 2: Convert to fraction form
    984,799.68/1,359,007.20 = 555,080.64/x
  3. Step 3: Cross multiply
    984,799.68x = 1,359,007.20 × 555,080.64
  4. Step 4: Simplify right side
    984,799.68x = 754,358,586,340.61
  5. Step 5: Solve for x
    x = 754,358,586,340.61/984,799.68
  6. Step 6: Final answer
    x = 766,002.06

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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.