Home / 704,392.38-1,056,569.67-198,988.20

Finding the Fourth Proportional to 704,392.38, 1,056,569.67 and 198,988.20

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Solution

The fourth proportional to 704,392.38, 1,056,569.67 and 198,988.20 is: 298,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,392.38 : 1,056,569.67 = 198,988.20 : x
  2. Step 2: Convert to fraction form
    704,392.38/1,056,569.67 = 198,988.20/x
  3. Step 3: Cross multiply
    704,392.38x = 1,056,569.67 × 198,988.20
  4. Step 4: Simplify right side
    704,392.38x = 210,244,896,807.89
  5. Step 5: Solve for x
    x = 210,244,896,807.89/704,392.38
  6. Step 6: Final answer
    x = 298,476.96

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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.