Home / 769,722.51-1,154,771.54-542,461.09

Finding the Fourth Proportional to 769,722.51, 1,154,771.54 and 542,461.09

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Solution

The fourth proportional to 769,722.51, 1,154,771.54 and 542,461.09 is: 813,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,722.51 : 1,154,771.54 = 542,461.09 : x
  2. Step 2: Convert to fraction form
    769,722.51/1,154,771.54 = 542,461.09/x
  3. Step 3: Cross multiply
    769,722.51x = 1,154,771.54 × 542,461.09
  4. Step 4: Simplify right side
    769,722.51x = 626,418,625,265.68
  5. Step 5: Solve for x
    x = 626,418,625,265.68/769,722.51
  6. Step 6: Final answer
    x = 813,823.97

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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.