Home / 674,569.86-1,010,041.51-513,880.26

Finding the Fourth Proportional to 674,569.86, 1,010,041.51 and 513,880.26

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Solution

The fourth proportional to 674,569.86, 1,010,041.51 and 513,880.26 is: 769,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,569.86 : 1,010,041.51 = 513,880.26 : x
  2. Step 2: Convert to fraction form
    674,569.86/1,010,041.51 = 513,880.26/x
  3. Step 3: Cross multiply
    674,569.86x = 1,010,041.51 × 513,880.26
  4. Step 4: Simplify right side
    674,569.86x = 519,040,393,769.59
  5. Step 5: Solve for x
    x = 519,040,393,769.59/674,569.86
  6. Step 6: Final answer
    x = 769,439.05

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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.