Home / 1,097,307.09-1,645,794.36-298,650.87

Finding the Fourth Proportional to 1,097,307.09, 1,645,794.36 and 298,650.87

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Solution

The fourth proportional to 1,097,307.09, 1,645,794.36 and 298,650.87 is: 447,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,307.09 : 1,645,794.36 = 298,650.87 : x
  2. Step 2: Convert to fraction form
    1,097,307.09/1,645,794.36 = 298,650.87/x
  3. Step 3: Cross multiply
    1,097,307.09x = 1,645,794.36 × 298,650.87
  4. Step 4: Simplify right side
    1,097,307.09x = 491,517,917,455.09
  5. Step 5: Solve for x
    x = 491,517,917,455.09/1,097,307.09
  6. Step 6: Final answer
    x = 447,931.05

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Double scale
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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.