Home / 865,987.89-1,298,828.75-234,950.91

Finding the Fourth Proportional to 865,987.89, 1,298,828.75 and 234,950.91

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Solution

The fourth proportional to 865,987.89, 1,298,828.75 and 234,950.91 is: 352,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,987.89 : 1,298,828.75 = 234,950.91 : x
  2. Step 2: Convert to fraction form
    865,987.89/1,298,828.75 = 234,950.91/x
  3. Step 3: Cross multiply
    865,987.89x = 1,298,828.75 × 234,950.91
  4. Step 4: Simplify right side
    865,987.89x = 305,160,995,571.91
  5. Step 5: Solve for x
    x = 305,160,995,571.91/865,987.89
  6. Step 6: Final answer
    x = 352,384.83

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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.