Home / 787,110.69-1,180,750.40-218,494.19

Finding the Fourth Proportional to 787,110.69, 1,180,750.40 and 218,494.19

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Solution

The fourth proportional to 787,110.69, 1,180,750.40 and 218,494.19 is: 327,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,110.69 : 1,180,750.40 = 218,494.19 : x
  2. Step 2: Convert to fraction form
    787,110.69/1,180,750.40 = 218,494.19/x
  3. Step 3: Cross multiply
    787,110.69x = 1,180,750.40 × 218,494.19
  4. Step 4: Simplify right side
    787,110.69x = 257,987,095,243.95
  5. Step 5: Solve for x
    x = 257,987,095,243.95/787,110.69
  6. Step 6: Final answer
    x = 327,764.70

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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.