Home / 808,592.48-1,213,635.76-409,513.76

Finding the Fourth Proportional to 808,592.48, 1,213,635.76 and 409,513.76

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Solution

The fourth proportional to 808,592.48, 1,213,635.76 and 409,513.76 is: 614,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,592.48 : 1,213,635.76 = 409,513.76 : x
  2. Step 2: Convert to fraction form
    808,592.48/1,213,635.76 = 409,513.76/x
  3. Step 3: Cross multiply
    808,592.48x = 1,213,635.76 × 409,513.76
  4. Step 4: Simplify right side
    808,592.48x = 497,000,543,348.06
  5. Step 5: Solve for x
    x = 497,000,543,348.06/808,592.48
  6. Step 6: Final answer
    x = 614,648.98

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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.