Home / 859,344.38-1,289,082.18-260,355.15

Finding the Fourth Proportional to 859,344.38, 1,289,082.18 and 260,355.15

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Solution

The fourth proportional to 859,344.38, 1,289,082.18 and 260,355.15 is: 390,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,344.38 : 1,289,082.18 = 260,355.15 : x
  2. Step 2: Convert to fraction form
    859,344.38/1,289,082.18 = 260,355.15/x
  3. Step 3: Cross multiply
    859,344.38x = 1,289,082.18 × 260,355.15
  4. Step 4: Simplify right side
    859,344.38x = 335,619,184,336.23
  5. Step 5: Solve for x
    x = 335,619,184,336.23/859,344.38
  6. Step 6: Final answer
    x = 390,552.60

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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.