Home / 674,285.31-1,011,424.32-274,924.53

Finding the Fourth Proportional to 674,285.31, 1,011,424.32 and 274,924.53

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Solution

The fourth proportional to 674,285.31, 1,011,424.32 and 274,924.53 is: 412,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,285.31 : 1,011,424.32 = 274,924.53 : x
  2. Step 2: Convert to fraction form
    674,285.31/1,011,424.32 = 274,924.53/x
  3. Step 3: Cross multiply
    674,285.31x = 1,011,424.32 × 274,924.53
  4. Step 4: Simplify right side
    674,285.31x = 278,065,355,806.57
  5. Step 5: Solve for x
    x = 278,065,355,806.57/674,285.31
  6. Step 6: Final answer
    x = 412,385.31

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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.