Home / 867,851.20-1,197,496.48-485,894.08

Finding the Fourth Proportional to 867,851.20, 1,197,496.48 and 485,894.08

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Solution

The fourth proportional to 867,851.20, 1,197,496.48 and 485,894.08 is: 670,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,851.20 : 1,197,496.48 = 485,894.08 : x
  2. Step 2: Convert to fraction form
    867,851.20/1,197,496.48 = 485,894.08/x
  3. Step 3: Cross multiply
    867,851.20x = 1,197,496.48 × 485,894.08
  4. Step 4: Simplify right side
    867,851.20x = 581,856,450,452.84
  5. Step 5: Solve for x
    x = 581,856,450,452.84/867,851.20
  6. Step 6: Final answer
    x = 670,456.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.