Home / 779,952.52-1,169,923.38-218,987.56

Finding the Fourth Proportional to 779,952.52, 1,169,923.38 and 218,987.56

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Solution

The fourth proportional to 779,952.52, 1,169,923.38 and 218,987.56 is: 328,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,952.52 : 1,169,923.38 = 218,987.56 : x
  2. Step 2: Convert to fraction form
    779,952.52/1,169,923.38 = 218,987.56/x
  3. Step 3: Cross multiply
    779,952.52x = 1,169,923.38 × 218,987.56
  4. Step 4: Simplify right side
    779,952.52x = 256,198,666,373.15
  5. Step 5: Solve for x
    x = 256,198,666,373.15/779,952.52
  6. Step 6: Final answer
    x = 328,479.82

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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.