Home / 867,849.81-1,301,523.39-260,613.65

Finding the Fourth Proportional to 867,849.81, 1,301,523.39 and 260,613.65

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Solution

The fourth proportional to 867,849.81, 1,301,523.39 and 260,613.65 is: 390,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,849.81 : 1,301,523.39 = 260,613.65 : x
  2. Step 2: Convert to fraction form
    867,849.81/1,301,523.39 = 260,613.65/x
  3. Step 3: Cross multiply
    867,849.81x = 1,301,523.39 × 260,613.65
  4. Step 4: Simplify right side
    867,849.81x = 339,194,754,720.66
  5. Step 5: Solve for x
    x = 339,194,754,720.66/867,849.81
  6. Step 6: Final answer
    x = 390,845.00

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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.