Home / 738,223.40-1,107,335.10-401,425.40

Finding the Fourth Proportional to 738,223.40, 1,107,335.10 and 401,425.40

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Solution

The fourth proportional to 738,223.40, 1,107,335.10 and 401,425.40 is: 602,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,223.40 : 1,107,335.10 = 401,425.40 : x
  2. Step 2: Convert to fraction form
    738,223.40/1,107,335.10 = 401,425.40/x
  3. Step 3: Cross multiply
    738,223.40x = 1,107,335.10 × 401,425.40
  4. Step 4: Simplify right side
    738,223.40x = 444,512,435,451.54
  5. Step 5: Solve for x
    x = 444,512,435,451.54/738,223.40
  6. Step 6: Final answer
    x = 602,138.10

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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.