Home / 779,799.71-1,169,811.13-240,101.64

Finding the Fourth Proportional to 779,799.71, 1,169,811.13 and 240,101.64

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Solution

The fourth proportional to 779,799.71, 1,169,811.13 and 240,101.64 is: 360,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,799.71 : 1,169,811.13 = 240,101.64 : x
  2. Step 2: Convert to fraction form
    779,799.71/1,169,811.13 = 240,101.64/x
  3. Step 3: Cross multiply
    779,799.71x = 1,169,811.13 × 240,101.64
  4. Step 4: Simplify right side
    779,799.71x = 280,873,570,803.25
  5. Step 5: Solve for x
    x = 280,873,570,803.25/779,799.71
  6. Step 6: Final answer
    x = 360,186.81

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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.