Home / 994,111.14-1,371,912.21-564,431.28

Finding the Fourth Proportional to 994,111.14, 1,371,912.21 and 564,431.28

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Solution

The fourth proportional to 994,111.14, 1,371,912.21 and 564,431.28 is: 778,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,111.14 : 1,371,912.21 = 564,431.28 : x
  2. Step 2: Convert to fraction form
    994,111.14/1,371,912.21 = 564,431.28/x
  3. Step 3: Cross multiply
    994,111.14x = 1,371,912.21 × 564,431.28
  4. Step 4: Simplify right side
    994,111.14x = 774,350,164,737.93
  5. Step 5: Solve for x
    x = 774,350,164,737.93/994,111.14
  6. Step 6: Final answer
    x = 778,937.22

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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.