Home / 824,430.82-1,236,354.63-392,097.37

Finding the Fourth Proportional to 824,430.82, 1,236,354.63 and 392,097.37

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Solution

The fourth proportional to 824,430.82, 1,236,354.63 and 392,097.37 is: 588,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,430.82 : 1,236,354.63 = 392,097.37 : x
  2. Step 2: Convert to fraction form
    824,430.82/1,236,354.63 = 392,097.37/x
  3. Step 3: Cross multiply
    824,430.82x = 1,236,354.63 × 392,097.37
  4. Step 4: Simplify right side
    824,430.82x = 484,771,398,810.32
  5. Step 5: Solve for x
    x = 484,771,398,810.32/824,430.82
  6. Step 6: Final answer
    x = 588,007.37

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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.