Home / 618,631.69-926,739.39-293,957.89

Finding the Fourth Proportional to 618,631.69, 926,739.39 and 293,957.89

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Solution

The fourth proportional to 618,631.69, 926,739.39 and 293,957.89 is: 440,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,631.69 : 926,739.39 = 293,957.89 : x
  2. Step 2: Convert to fraction form
    618,631.69/926,739.39 = 293,957.89/x
  3. Step 3: Cross multiply
    618,631.69x = 926,739.39 × 293,957.89
  4. Step 4: Simplify right side
    618,631.69x = 272,422,355,664.29
  5. Step 5: Solve for x
    x = 272,422,355,664.29/618,631.69
  6. Step 6: Final answer
    x = 440,362.76

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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.