Home / 646,278.32-968,814.57-219,522.18

Finding the Fourth Proportional to 646,278.32, 968,814.57 and 219,522.18

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Solution

The fourth proportional to 646,278.32, 968,814.57 and 219,522.18 is: 329,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,278.32 : 968,814.57 = 219,522.18 : x
  2. Step 2: Convert to fraction form
    646,278.32/968,814.57 = 219,522.18/x
  3. Step 3: Cross multiply
    646,278.32x = 968,814.57 × 219,522.18
  4. Step 4: Simplify right side
    646,278.32x = 212,676,282,704.05
  5. Step 5: Solve for x
    x = 212,676,282,704.05/646,278.32
  6. Step 6: Final answer
    x = 329,078.47

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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.