Home / 790,998.13-1,186,254.69-285,497.38

Finding the Fourth Proportional to 790,998.13, 1,186,254.69 and 285,497.38

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Solution

The fourth proportional to 790,998.13, 1,186,254.69 and 285,497.38 is: 428,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,998.13 : 1,186,254.69 = 285,497.38 : x
  2. Step 2: Convert to fraction form
    790,998.13/1,186,254.69 = 285,497.38/x
  3. Step 3: Cross multiply
    790,998.13x = 1,186,254.69 × 285,497.38
  4. Step 4: Simplify right side
    790,998.13x = 338,672,606,007.71
  5. Step 5: Solve for x
    x = 338,672,606,007.71/790,998.13
  6. Step 6: Final answer
    x = 428,158.54

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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.