Home / 738,293.20-1,107,958.20-317,870.80

Finding the Fourth Proportional to 738,293.20, 1,107,958.20 and 317,870.80

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Solution

The fourth proportional to 738,293.20, 1,107,958.20 and 317,870.80 is: 477,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,293.20 : 1,107,958.20 = 317,870.80 : x
  2. Step 2: Convert to fraction form
    738,293.20/1,107,958.20 = 317,870.80/x
  3. Step 3: Cross multiply
    738,293.20x = 1,107,958.20 × 317,870.80
  4. Step 4: Simplify right side
    738,293.20x = 352,187,559,400.56
  5. Step 5: Solve for x
    x = 352,187,559,400.56/738,293.20
  6. Step 6: Final answer
    x = 477,029.40

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.