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Finding the Fourth Proportional to 472,786.30, 709,179.45 and 367,032.70

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Solution

The fourth proportional to 472,786.30, 709,179.45 and 367,032.70 is: 550,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,786.30 : 709,179.45 = 367,032.70 : x
  2. Step 2: Convert to fraction form
    472,786.30/709,179.45 = 367,032.70/x
  3. Step 3: Cross multiply
    472,786.30x = 709,179.45 × 367,032.70
  4. Step 4: Simplify right side
    472,786.30x = 260,292,048,318.02
  5. Step 5: Solve for x
    x = 260,292,048,318.02/472,786.30
  6. Step 6: Final answer
    x = 550,549.05

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Similar ratio
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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.