Home / 854,615.60-1,282,117.80-499,446.80

Finding the Fourth Proportional to 854,615.60, 1,282,117.80 and 499,446.80

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Solution

The fourth proportional to 854,615.60, 1,282,117.80 and 499,446.80 is: 749,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,615.60 : 1,282,117.80 = 499,446.80 : x
  2. Step 2: Convert to fraction form
    854,615.60/1,282,117.80 = 499,446.80/x
  3. Step 3: Cross multiply
    854,615.60x = 1,282,117.80 × 499,446.80
  4. Step 4: Simplify right side
    854,615.60x = 640,349,632,433.04
  5. Step 5: Solve for x
    x = 640,349,632,433.04/854,615.60
  6. Step 6: Final answer
    x = 749,283.81

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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.