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Finding the Fourth Proportional to 435,964.80, 652,910.40 and 435,964.80

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Solution

The fourth proportional to 435,964.80, 652,910.40 and 435,964.80 is: 652,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,964.80 : 652,910.40 = 435,964.80 : x
  2. Step 2: Convert to fraction form
    435,964.80/652,910.40 = 435,964.80/x
  3. Step 3: Cross multiply
    435,964.80x = 652,910.40 × 435,964.80
  4. Step 4: Simplify right side
    435,964.80x = 284,645,951,953.92
  5. Step 5: Solve for x
    x = 284,645,951,953.92/435,964.80
  6. Step 6: Final answer
    x = 652,910.40

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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.