Home / 738,265.10-1,106,661.83-311,908.23

Finding the Fourth Proportional to 738,265.10, 1,106,661.83 and 311,908.23

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Solution

The fourth proportional to 738,265.10, 1,106,661.83 and 311,908.23 is: 467,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,265.10 : 1,106,661.83 = 311,908.23 : x
  2. Step 2: Convert to fraction form
    738,265.10/1,106,661.83 = 311,908.23/x
  3. Step 3: Cross multiply
    738,265.10x = 1,106,661.83 × 311,908.23
  4. Step 4: Simplify right side
    738,265.10x = 345,176,931,044.32
  5. Step 5: Solve for x
    x = 345,176,931,044.32/738,265.10
  6. Step 6: Final answer
    x = 467,551.47

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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.