Home / 1,097,279.40-1,645,919.10-349,325.40

Finding the Fourth Proportional to 1,097,279.40, 1,645,919.10 and 349,325.40

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Solution

The fourth proportional to 1,097,279.40, 1,645,919.10 and 349,325.40 is: 523,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,279.40 : 1,645,919.10 = 349,325.40 : x
  2. Step 2: Convert to fraction form
    1,097,279.40/1,645,919.10 = 349,325.40/x
  3. Step 3: Cross multiply
    1,097,279.40x = 1,645,919.10 × 349,325.40
  4. Step 4: Simplify right side
    1,097,279.40x = 574,961,347,975.14
  5. Step 5: Solve for x
    x = 574,961,347,975.14/1,097,279.40
  6. Step 6: Final answer
    x = 523,988.10

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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.