Home / 859,348.38-1,289,088.18-260,359.16

Finding the Fourth Proportional to 859,348.38, 1,289,088.18 and 260,359.16

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Solution

The fourth proportional to 859,348.38, 1,289,088.18 and 260,359.16 is: 390,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,348.38 : 1,289,088.18 = 260,359.16 : x
  2. Step 2: Convert to fraction form
    859,348.38/1,289,088.18 = 260,359.16/x
  3. Step 3: Cross multiply
    859,348.38x = 1,289,088.18 × 260,359.16
  4. Step 4: Simplify right side
    859,348.38x = 335,625,915,710.73
  5. Step 5: Solve for x
    x = 335,625,915,710.73/859,348.38
  6. Step 6: Final answer
    x = 390,558.62

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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.