Home / 788,028.14-1,182,208.28-255,507.65

Finding the Fourth Proportional to 788,028.14, 1,182,208.28 and 255,507.65

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Solution

The fourth proportional to 788,028.14, 1,182,208.28 and 255,507.65 is: 383,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,028.14 : 1,182,208.28 = 255,507.65 : x
  2. Step 2: Convert to fraction form
    788,028.14/1,182,208.28 = 255,507.65/x
  3. Step 3: Cross multiply
    788,028.14x = 1,182,208.28 × 255,507.65
  4. Step 4: Simplify right side
    788,028.14x = 302,063,258,115.27
  5. Step 5: Solve for x
    x = 302,063,258,115.27/788,028.14
  6. Step 6: Final answer
    x = 383,315.32

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Double scale
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Similar ratio
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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.