Home / 748,352.26-1,121,828.52-274,910.50

Finding the Fourth Proportional to 748,352.26, 1,121,828.52 and 274,910.50

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Solution

The fourth proportional to 748,352.26, 1,121,828.52 and 274,910.50 is: 412,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,352.26 : 1,121,828.52 = 274,910.50 : x
  2. Step 2: Convert to fraction form
    748,352.26/1,121,828.52 = 274,910.50/x
  3. Step 3: Cross multiply
    748,352.26x = 1,121,828.52 × 274,910.50
  4. Step 4: Simplify right side
    748,352.26x = 308,402,439,347.46
  5. Step 5: Solve for x
    x = 308,402,439,347.46/748,352.26
  6. Step 6: Final answer
    x = 412,108.65

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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.