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Finding the Fourth Proportional to 637,079.58, 879,150.63 and 350,599.26

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Solution

The fourth proportional to 637,079.58, 879,150.63 and 350,599.26 is: 483,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,079.58 : 879,150.63 = 350,599.26 : x
  2. Step 2: Convert to fraction form
    637,079.58/879,150.63 = 350,599.26/x
  3. Step 3: Cross multiply
    637,079.58x = 879,150.63 × 350,599.26
  4. Step 4: Simplify right side
    637,079.58x = 308,229,560,306.53
  5. Step 5: Solve for x
    x = 308,229,560,306.53/637,079.58
  6. Step 6: Final answer
    x = 483,816.42

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.