Home / 786,255-1,179,382.50-225,289.50

Finding the Fourth Proportional to 786,255, 1,179,382.50 and 225,289.50

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Solution

The fourth proportional to 786,255, 1,179,382.50 and 225,289.50 is: 337,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,255 : 1,179,382.50 = 225,289.50 : x
  2. Step 2: Convert to fraction form
    786,255/1,179,382.50 = 225,289.50/x
  3. Step 3: Cross multiply
    786,255x = 1,179,382.50 × 225,289.50
  4. Step 4: Simplify right side
    786,255x = 265,702,493,733.75
  5. Step 5: Solve for x
    x = 265,702,493,733.75/786,255
  6. Step 6: Final answer
    x = 337,934.25

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Similar ratio
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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.