Home / 787,459.80-1,181,361.95-255,034.65

Finding the Fourth Proportional to 787,459.80, 1,181,361.95 and 255,034.65

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Solution

The fourth proportional to 787,459.80, 1,181,361.95 and 255,034.65 is: 382,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,459.80 : 1,181,361.95 = 255,034.65 : x
  2. Step 2: Convert to fraction form
    787,459.80/1,181,361.95 = 255,034.65/x
  3. Step 3: Cross multiply
    787,459.80x = 1,181,361.95 × 255,034.65
  4. Step 4: Simplify right side
    787,459.80x = 301,288,230,166.39
  5. Step 5: Solve for x
    x = 301,288,230,166.39/787,459.80
  6. Step 6: Final answer
    x = 382,607.76

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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.