Home / 840,451.22-1,159,877.49-477,908.81

Finding the Fourth Proportional to 840,451.22, 1,159,877.49 and 477,908.81

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Solution

The fourth proportional to 840,451.22, 1,159,877.49 and 477,908.81 is: 659,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,451.22 : 1,159,877.49 = 477,908.81 : x
  2. Step 2: Convert to fraction form
    840,451.22/1,159,877.49 = 477,908.81/x
  3. Step 3: Cross multiply
    840,451.22x = 1,159,877.49 × 477,908.81
  4. Step 4: Simplify right side
    840,451.22x = 554,315,670,991.69
  5. Step 5: Solve for x
    x = 554,315,670,991.69/840,451.22
  6. Step 6: Final answer
    x = 659,545.32

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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.