Home / 515,444.61-772,856.07-231,083.65

Finding the Fourth Proportional to 515,444.61, 772,856.07 and 231,083.65

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Solution

The fourth proportional to 515,444.61, 772,856.07 and 231,083.65 is: 346,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,444.61 : 772,856.07 = 231,083.65 : x
  2. Step 2: Convert to fraction form
    515,444.61/772,856.07 = 231,083.65/x
  3. Step 3: Cross multiply
    515,444.61x = 772,856.07 × 231,083.65
  4. Step 4: Simplify right side
    515,444.61x = 178,594,401,580.26
  5. Step 5: Solve for x
    x = 178,594,401,580.26/515,444.61
  6. Step 6: Final answer
    x = 346,486.12

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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.