Home / 747,937.72-1,121,239.68-274,513.24

Finding the Fourth Proportional to 747,937.72, 1,121,239.68 and 274,513.24

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Solution

The fourth proportional to 747,937.72, 1,121,239.68 and 274,513.24 is: 411,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,937.72 : 1,121,239.68 = 274,513.24 : x
  2. Step 2: Convert to fraction form
    747,937.72/1,121,239.68 = 274,513.24/x
  3. Step 3: Cross multiply
    747,937.72x = 1,121,239.68 × 274,513.24
  4. Step 4: Simplify right side
    747,937.72x = 307,795,137,373.36
  5. Step 5: Solve for x
    x = 307,795,137,373.36/747,937.72
  6. Step 6: Final answer
    x = 411,525.09

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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.