Home / 847,224.69-1,270,567.85-278,474.55

Finding the Fourth Proportional to 847,224.69, 1,270,567.85 and 278,474.55

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Solution

The fourth proportional to 847,224.69, 1,270,567.85 and 278,474.55 is: 417,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,224.69 : 1,270,567.85 = 278,474.55 : x
  2. Step 2: Convert to fraction form
    847,224.69/1,270,567.85 = 278,474.55/x
  3. Step 3: Cross multiply
    847,224.69x = 1,270,567.85 × 278,474.55
  4. Step 4: Simplify right side
    847,224.69x = 353,820,808,880.85
  5. Step 5: Solve for x
    x = 353,820,808,880.85/847,224.69
  6. Step 6: Final answer
    x = 417,623.34

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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.