Home / 813,335.75-1,219,722.15-333,427.30

Finding the Fourth Proportional to 813,335.75, 1,219,722.15 and 333,427.30

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Solution

The fourth proportional to 813,335.75, 1,219,722.15 and 333,427.30 is: 500,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,335.75 : 1,219,722.15 = 333,427.30 : x
  2. Step 2: Convert to fraction form
    813,335.75/1,219,722.15 = 333,427.30/x
  3. Step 3: Cross multiply
    813,335.75x = 1,219,722.15 × 333,427.30
  4. Step 4: Simplify right side
    813,335.75x = 406,688,663,712.72
  5. Step 5: Solve for x
    x = 406,688,663,712.72/813,335.75
  6. Step 6: Final answer
    x = 500,025.56

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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.