Home / 750,286.48-1,123,627.80-429,466

Finding the Fourth Proportional to 750,286.48, 1,123,627.80 and 429,466

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Solution

The fourth proportional to 750,286.48, 1,123,627.80 and 429,466 is: 643,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,286.48 : 1,123,627.80 = 429,466 : x
  2. Step 2: Convert to fraction form
    750,286.48/1,123,627.80 = 429,466/x
  3. Step 3: Cross multiply
    750,286.48x = 1,123,627.80 × 429,466
  4. Step 4: Simplify right side
    750,286.48x = 482,559,936,754.80
  5. Step 5: Solve for x
    x = 482,559,936,754.80/750,286.48
  6. Step 6: Final answer
    x = 643,167.58

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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.