Home / 737,456.70-1,105,666.65-288,003.90

Finding the Fourth Proportional to 737,456.70, 1,105,666.65 and 288,003.90

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Solution

The fourth proportional to 737,456.70, 1,105,666.65 and 288,003.90 is: 431,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,456.70 : 1,105,666.65 = 288,003.90 : x
  2. Step 2: Convert to fraction form
    737,456.70/1,105,666.65 = 288,003.90/x
  3. Step 3: Cross multiply
    737,456.70x = 1,105,666.65 × 288,003.90
  4. Step 4: Simplify right side
    737,456.70x = 318,436,307,299.94
  5. Step 5: Solve for x
    x = 318,436,307,299.94/737,456.70
  6. Step 6: Final answer
    x = 431,803.40

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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.