Home / 808,970.40-1,214,233.20-410,061.60

Finding the Fourth Proportional to 808,970.40, 1,214,233.20 and 410,061.60

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Solution

The fourth proportional to 808,970.40, 1,214,233.20 and 410,061.60 is: 615,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,970.40 : 1,214,233.20 = 410,061.60 : x
  2. Step 2: Convert to fraction form
    808,970.40/1,214,233.20 = 410,061.60/x
  3. Step 3: Cross multiply
    808,970.40x = 1,214,233.20 × 410,061.60
  4. Step 4: Simplify right side
    808,970.40x = 497,910,408,765.12
  5. Step 5: Solve for x
    x = 497,910,408,765.12/808,970.40
  6. Step 6: Final answer
    x = 615,486.56

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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.