Home / 843,619.20-1,164,211.20-461,644.80

Finding the Fourth Proportional to 843,619.20, 1,164,211.20 and 461,644.80

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Solution

The fourth proportional to 843,619.20, 1,164,211.20 and 461,644.80 is: 637,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,619.20 : 1,164,211.20 = 461,644.80 : x
  2. Step 2: Convert to fraction form
    843,619.20/1,164,211.20 = 461,644.80/x
  3. Step 3: Cross multiply
    843,619.20x = 1,164,211.20 × 461,644.80
  4. Step 4: Simplify right side
    843,619.20x = 537,452,046,581.76
  5. Step 5: Solve for x
    x = 537,452,046,581.76/843,619.20
  6. Step 6: Final answer
    x = 637,078.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.