Home / 984,807.64-1,359,015.60-555,079.42

Finding the Fourth Proportional to 984,807.64, 1,359,015.60 and 555,079.42

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Solution

The fourth proportional to 984,807.64, 1,359,015.60 and 555,079.42 is: 765,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,807.64 : 1,359,015.60 = 555,079.42 : x
  2. Step 2: Convert to fraction form
    984,807.64/1,359,015.60 = 555,079.42/x
  3. Step 3: Cross multiply
    984,807.64x = 1,359,015.60 × 555,079.42
  4. Step 4: Simplify right side
    984,807.64x = 754,361,591,018.95
  5. Step 5: Solve for x
    x = 754,361,591,018.95/984,807.64
  6. Step 6: Final answer
    x = 765,998.92

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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.