Home / 816,731.73-1,126,923.80-477,134.37

Finding the Fourth Proportional to 816,731.73, 1,126,923.80 and 477,134.37

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Solution

The fourth proportional to 816,731.73, 1,126,923.80 and 477,134.37 is: 658,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,731.73 : 1,126,923.80 = 477,134.37 : x
  2. Step 2: Convert to fraction form
    816,731.73/1,126,923.80 = 477,134.37/x
  3. Step 3: Cross multiply
    816,731.73x = 1,126,923.80 × 477,134.37
  4. Step 4: Simplify right side
    816,731.73x = 537,694,077,351.01
  5. Step 5: Solve for x
    x = 537,694,077,351.01/816,731.73
  6. Step 6: Final answer
    x = 658,348.46

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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.