Home / 969,489.90-1,454,392.49-286,446.06

Finding the Fourth Proportional to 969,489.90, 1,454,392.49 and 286,446.06

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Solution

The fourth proportional to 969,489.90, 1,454,392.49 and 286,446.06 is: 429,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,489.90 : 1,454,392.49 = 286,446.06 : x
  2. Step 2: Convert to fraction form
    969,489.90/1,454,392.49 = 286,446.06/x
  3. Step 3: Cross multiply
    969,489.90x = 1,454,392.49 × 286,446.06
  4. Step 4: Simplify right side
    969,489.90x = 416,604,998,454.09
  5. Step 5: Solve for x
    x = 416,604,998,454.09/969,489.90
  6. Step 6: Final answer
    x = 429,715.67

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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.