Home / 786,217.76-1,179,320.16-225,252.80

Finding the Fourth Proportional to 786,217.76, 1,179,320.16 and 225,252.80

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Solution

The fourth proportional to 786,217.76, 1,179,320.16 and 225,252.80 is: 337,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,217.76 : 1,179,320.16 = 225,252.80 : x
  2. Step 2: Convert to fraction form
    786,217.76/1,179,320.16 = 225,252.80/x
  3. Step 3: Cross multiply
    786,217.76x = 1,179,320.16 × 225,252.80
  4. Step 4: Simplify right side
    786,217.76x = 265,645,168,136.45
  5. Step 5: Solve for x
    x = 265,645,168,136.45/786,217.76
  6. Step 6: Final answer
    x = 337,877.34

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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.