Home / 780,237.18-1,170,396.27-247,799.88

Finding the Fourth Proportional to 780,237.18, 1,170,396.27 and 247,799.88

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Solution

The fourth proportional to 780,237.18, 1,170,396.27 and 247,799.88 is: 371,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,237.18 : 1,170,396.27 = 247,799.88 : x
  2. Step 2: Convert to fraction form
    780,237.18/1,170,396.27 = 247,799.88/x
  3. Step 3: Cross multiply
    780,237.18x = 1,170,396.27 × 247,799.88
  4. Step 4: Simplify right side
    780,237.18x = 290,024,055,258.45
  5. Step 5: Solve for x
    x = 290,024,055,258.45/780,237.18
  6. Step 6: Final answer
    x = 371,712.68

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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.