Home / 788,109.38-1,182,330.12-255,588.89

Finding the Fourth Proportional to 788,109.38, 1,182,330.12 and 255,588.89

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Solution

The fourth proportional to 788,109.38, 1,182,330.12 and 255,588.89 is: 383,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,109.38 : 1,182,330.12 = 255,588.89 : x
  2. Step 2: Convert to fraction form
    788,109.38/1,182,330.12 = 255,588.89/x
  3. Step 3: Cross multiply
    788,109.38x = 1,182,330.12 × 255,588.89
  4. Step 4: Simplify right side
    788,109.38x = 302,190,442,984.37
  5. Step 5: Solve for x
    x = 302,190,442,984.37/788,109.38
  6. Step 6: Final answer
    x = 383,437.19

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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.