Home / 787,195.80-1,180,502.10-254,734.20

Finding the Fourth Proportional to 787,195.80, 1,180,502.10 and 254,734.20

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Solution

The fourth proportional to 787,195.80, 1,180,502.10 and 254,734.20 is: 382,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,195.80 : 1,180,502.10 = 254,734.20 : x
  2. Step 2: Convert to fraction form
    787,195.80/1,180,502.10 = 254,734.20/x
  3. Step 3: Cross multiply
    787,195.80x = 1,180,502.10 × 254,734.20
  4. Step 4: Simplify right side
    787,195.80x = 300,714,258,041.82
  5. Step 5: Solve for x
    x = 300,714,258,041.82/787,195.80
  6. Step 6: Final answer
    x = 382,006.94

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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.