Home / 847,004.85-1,270,237.55-278,253.95

Finding the Fourth Proportional to 847,004.85, 1,270,237.55 and 278,253.95

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Solution

The fourth proportional to 847,004.85, 1,270,237.55 and 278,253.95 is: 417,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,004.85 : 1,270,237.55 = 278,253.95 : x
  2. Step 2: Convert to fraction form
    847,004.85/1,270,237.55 = 278,253.95/x
  3. Step 3: Cross multiply
    847,004.85x = 1,270,237.55 × 278,253.95
  4. Step 4: Simplify right side
    847,004.85x = 353,448,607,983.37
  5. Step 5: Solve for x
    x = 353,448,607,983.37/847,004.85
  6. Step 6: Final answer
    x = 417,292.31

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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.