Home / 787,807.80-1,182,003.30-255,346.20

Finding the Fourth Proportional to 787,807.80, 1,182,003.30 and 255,346.20

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Solution

The fourth proportional to 787,807.80, 1,182,003.30 and 255,346.20 is: 383,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,807.80 : 1,182,003.30 = 255,346.20 : x
  2. Step 2: Convert to fraction form
    787,807.80/1,182,003.30 = 255,346.20/x
  3. Step 3: Cross multiply
    787,807.80x = 1,182,003.30 × 255,346.20
  4. Step 4: Simplify right side
    787,807.80x = 301,820,051,042.46
  5. Step 5: Solve for x
    x = 301,820,051,042.46/787,807.80
  6. Step 6: Final answer
    x = 383,113.81

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Double scale
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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.