Home / 712,511.48-1,068,667.86-179,999.48

Finding the Fourth Proportional to 712,511.48, 1,068,667.86 and 179,999.48

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Solution

The fourth proportional to 712,511.48, 1,068,667.86 and 179,999.48 is: 269,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,511.48 : 1,068,667.86 = 179,999.48 : x
  2. Step 2: Convert to fraction form
    712,511.48/1,068,667.86 = 179,999.48/x
  3. Step 3: Cross multiply
    712,511.48x = 1,068,667.86 × 179,999.48
  4. Step 4: Simplify right side
    712,511.48x = 192,359,659,092.71
  5. Step 5: Solve for x
    x = 192,359,659,092.71/712,511.48
  6. Step 6: Final answer
    x = 269,974.12

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1.5x scale

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.