Home / 738,218.70-1,106,720.55-333,437.40

Finding the Fourth Proportional to 738,218.70, 1,106,720.55 and 333,437.40

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Solution

The fourth proportional to 738,218.70, 1,106,720.55 and 333,437.40 is: 499,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,218.70 : 1,106,720.55 = 333,437.40 : x
  2. Step 2: Convert to fraction form
    738,218.70/1,106,720.55 = 333,437.40/x
  3. Step 3: Cross multiply
    738,218.70x = 1,106,720.55 × 333,437.40
  4. Step 4: Simplify right side
    738,218.70x = 369,022,022,718.57
  5. Step 5: Solve for x
    x = 369,022,022,718.57/738,218.70
  6. Step 6: Final answer
    x = 499,881.71

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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.