Home / 500,712.12-750,986.77-163,747.66

Finding the Fourth Proportional to 500,712.12, 750,986.77 and 163,747.66

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Solution

The fourth proportional to 500,712.12, 750,986.77 and 163,747.66 is: 245,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,712.12 : 750,986.77 = 163,747.66 : x
  2. Step 2: Convert to fraction form
    500,712.12/750,986.77 = 163,747.66/x
  3. Step 3: Cross multiply
    500,712.12x = 750,986.77 × 163,747.66
  4. Step 4: Simplify right side
    500,712.12x = 122,972,326,278.46
  5. Step 5: Solve for x
    x = 122,972,326,278.46/500,712.12
  6. Step 6: Final answer
    x = 245,594.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.