Home / 808,846.20-1,214,253.45-409,281.30

Finding the Fourth Proportional to 808,846.20, 1,214,253.45 and 409,281.30

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Solution

The fourth proportional to 808,846.20, 1,214,253.45 and 409,281.30 is: 614,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,846.20 : 1,214,253.45 = 409,281.30 : x
  2. Step 2: Convert to fraction form
    808,846.20/1,214,253.45 = 409,281.30/x
  3. Step 3: Cross multiply
    808,846.20x = 1,214,253.45 × 409,281.30
  4. Step 4: Simplify right side
    808,846.20x = 496,971,230,545.49
  5. Step 5: Solve for x
    x = 496,971,230,545.49/808,846.20
  6. Step 6: Final answer
    x = 614,419.94

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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.