Home / 779,721.12-1,169,623.44-247,282.56

Finding the Fourth Proportional to 779,721.12, 1,169,623.44 and 247,282.56

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Solution

The fourth proportional to 779,721.12, 1,169,623.44 and 247,282.56 is: 370,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,721.12 : 1,169,623.44 = 247,282.56 : x
  2. Step 2: Convert to fraction form
    779,721.12/1,169,623.44 = 247,282.56/x
  3. Step 3: Cross multiply
    779,721.12x = 1,169,623.44 × 247,282.56
  4. Step 4: Simplify right side
    779,721.12x = 289,227,478,479.21
  5. Step 5: Solve for x
    x = 289,227,478,479.21/779,721.12
  6. Step 6: Final answer
    x = 370,937.08

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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.