Home / 747,173.85-1,121,299.43-297,634.79

Finding the Fourth Proportional to 747,173.85, 1,121,299.43 and 297,634.79

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Solution

The fourth proportional to 747,173.85, 1,121,299.43 and 297,634.79 is: 446,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,173.85 : 1,121,299.43 = 297,634.79 : x
  2. Step 2: Convert to fraction form
    747,173.85/1,121,299.43 = 297,634.79/x
  3. Step 3: Cross multiply
    747,173.85x = 1,121,299.43 × 297,634.79
  4. Step 4: Simplify right side
    747,173.85x = 333,737,713,280.50
  5. Step 5: Solve for x
    x = 333,737,713,280.50/747,173.85
  6. Step 6: Final answer
    x = 446,666.75

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1.5x scale

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.