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Finding the Fourth Proportional to 979,595.80, 1,469,048.10 and 348,530.20

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Solution

The fourth proportional to 979,595.80, 1,469,048.10 and 348,530.20 is: 522,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,595.80 : 1,469,048.10 = 348,530.20 : x
  2. Step 2: Convert to fraction form
    979,595.80/1,469,048.10 = 348,530.20/x
  3. Step 3: Cross multiply
    979,595.80x = 1,469,048.10 × 348,530.20
  4. Step 4: Simplify right side
    979,595.80x = 512,007,628,102.62
  5. Step 5: Solve for x
    x = 512,007,628,102.62/979,595.80
  6. Step 6: Final answer
    x = 522,672.34

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Double scale
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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.