Home / 763,119.12-1,144,666.79-258,034.82

Finding the Fourth Proportional to 763,119.12, 1,144,666.79 and 258,034.82

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Solution

The fourth proportional to 763,119.12, 1,144,666.79 and 258,034.82 is: 387,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,119.12 : 1,144,666.79 = 258,034.82 : x
  2. Step 2: Convert to fraction form
    763,119.12/1,144,666.79 = 258,034.82/x
  3. Step 3: Cross multiply
    763,119.12x = 1,144,666.79 × 258,034.82
  4. Step 4: Simplify right side
    763,119.12x = 295,363,883,071.75
  5. Step 5: Solve for x
    x = 295,363,883,071.75/763,119.12
  6. Step 6: Final answer
    x = 387,048.20

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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.