Home / 765,674.38-1,148,616.65-260,099.65

Finding the Fourth Proportional to 765,674.38, 1,148,616.65 and 260,099.65

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Solution

The fourth proportional to 765,674.38, 1,148,616.65 and 260,099.65 is: 390,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,674.38 : 1,148,616.65 = 260,099.65 : x
  2. Step 2: Convert to fraction form
    765,674.38/1,148,616.65 = 260,099.65/x
  3. Step 3: Cross multiply
    765,674.38x = 1,148,616.65 × 260,099.65
  4. Step 4: Simplify right side
    765,674.38x = 298,754,788,649.17
  5. Step 5: Solve for x
    x = 298,754,788,649.17/765,674.38
  6. Step 6: Final answer
    x = 390,185.17

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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.