Home / 674,569.36-1,010,040.76-513,879.76

Finding the Fourth Proportional to 674,569.36, 1,010,040.76 and 513,879.76

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Solution

The fourth proportional to 674,569.36, 1,010,040.76 and 513,879.76 is: 769,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,569.36 : 1,010,040.76 = 513,879.76 : x
  2. Step 2: Convert to fraction form
    674,569.36/1,010,040.76 = 513,879.76/x
  3. Step 3: Cross multiply
    674,569.36x = 1,010,040.76 × 513,879.76
  4. Step 4: Simplify right side
    674,569.36x = 519,039,503,339.02
  5. Step 5: Solve for x
    x = 519,039,503,339.02/674,569.36
  6. Step 6: Final answer
    x = 769,438.30

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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.