Home / 868,418.16-1,303,072.20-413,524.56

Finding the Fourth Proportional to 868,418.16, 1,303,072.20 and 413,524.56

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Solution

The fourth proportional to 868,418.16, 1,303,072.20 and 413,524.56 is: 620,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,418.16 : 1,303,072.20 = 413,524.56 : x
  2. Step 2: Convert to fraction form
    868,418.16/1,303,072.20 = 413,524.56/x
  3. Step 3: Cross multiply
    868,418.16x = 1,303,072.20 × 413,524.56
  4. Step 4: Simplify right side
    868,418.16x = 538,852,358,153.23
  5. Step 5: Solve for x
    x = 538,852,358,153.23/868,418.16
  6. Step 6: Final answer
    x = 620,498.72

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1.5x scale

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.