Home / 1,097,400.79-1,646,258.91-339,301.39

Finding the Fourth Proportional to 1,097,400.79, 1,646,258.91 and 339,301.39

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Solution

The fourth proportional to 1,097,400.79, 1,646,258.91 and 339,301.39 is: 509,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,400.79 : 1,646,258.91 = 339,301.39 : x
  2. Step 2: Convert to fraction form
    1,097,400.79/1,646,258.91 = 339,301.39/x
  3. Step 3: Cross multiply
    1,097,400.79x = 1,646,258.91 × 339,301.39
  4. Step 4: Simplify right side
    1,097,400.79x = 558,577,936,462.89
  5. Step 5: Solve for x
    x = 558,577,936,462.89/1,097,400.79
  6. Step 6: Final answer
    x = 509,000.85

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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.