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Finding the Fourth Proportional to 618,846, 854,007.48 and 350,574

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Solution

The fourth proportional to 618,846, 854,007.48 and 350,574 is: 483,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,846 : 854,007.48 = 350,574 : x
  2. Step 2: Convert to fraction form
    618,846/854,007.48 = 350,574/x
  3. Step 3: Cross multiply
    618,846x = 854,007.48 × 350,574
  4. Step 4: Simplify right side
    618,846x = 299,392,818,293.52
  5. Step 5: Solve for x
    x = 299,392,818,293.52/618,846
  6. Step 6: Final answer
    x = 483,792.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.