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Finding the Fourth Proportional to 513,604.04, 770,570.10 and 247,391.48

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Solution

The fourth proportional to 513,604.04, 770,570.10 and 247,391.48 is: 371,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,604.04 : 770,570.10 = 247,391.48 : x
  2. Step 2: Convert to fraction form
    513,604.04/770,570.10 = 247,391.48/x
  3. Step 3: Cross multiply
    513,604.04x = 770,570.10 × 247,391.48
  4. Step 4: Simplify right side
    513,604.04x = 190,632,477,482.75
  5. Step 5: Solve for x
    x = 190,632,477,482.75/513,604.04
  6. Step 6: Final answer
    x = 371,166.23

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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.