Home / 786,996.77-1,180,363.10-218,435.63

Finding the Fourth Proportional to 786,996.77, 1,180,363.10 and 218,435.63

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Solution

The fourth proportional to 786,996.77, 1,180,363.10 and 218,435.63 is: 327,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,996.77 : 1,180,363.10 = 218,435.63 : x
  2. Step 2: Convert to fraction form
    786,996.77/1,180,363.10 = 218,435.63/x
  3. Step 3: Cross multiply
    786,996.77x = 1,180,363.10 × 218,435.63
  4. Step 4: Simplify right side
    786,996.77x = 257,833,357,377.25
  5. Step 5: Solve for x
    x = 257,833,357,377.25/786,996.77
  6. Step 6: Final answer
    x = 327,616.79

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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.