Home / 1,097,399.79-1,646,257.41-339,300.39

Finding the Fourth Proportional to 1,097,399.79, 1,646,257.41 and 339,300.39

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Solution

The fourth proportional to 1,097,399.79, 1,646,257.41 and 339,300.39 is: 508,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,399.79 : 1,646,257.41 = 339,300.39 : x
  2. Step 2: Convert to fraction form
    1,097,399.79/1,646,257.41 = 339,300.39/x
  3. Step 3: Cross multiply
    1,097,399.79x = 1,646,257.41 × 339,300.39
  4. Step 4: Simplify right side
    1,097,399.79x = 558,575,781,253.39
  5. Step 5: Solve for x
    x = 558,575,781,253.39/1,097,399.79
  6. Step 6: Final answer
    x = 508,999.35

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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.