Home / 682,856.29-1,023,486.90-513,833.32

Finding the Fourth Proportional to 682,856.29, 1,023,486.90 and 513,833.32

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Solution

The fourth proportional to 682,856.29, 1,023,486.90 and 513,833.32 is: 770,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,856.29 : 1,023,486.90 = 513,833.32 : x
  2. Step 2: Convert to fraction form
    682,856.29/1,023,486.90 = 513,833.32/x
  3. Step 3: Cross multiply
    682,856.29x = 1,023,486.90 × 513,833.32
  4. Step 4: Simplify right side
    682,856.29x = 525,901,671,803.51
  5. Step 5: Solve for x
    x = 525,901,671,803.51/682,856.29
  6. Step 6: Final answer
    x = 770,149.85

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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.