Home / 691,954.80-1,035,963.90-613,222.80

Finding the Fourth Proportional to 691,954.80, 1,035,963.90 and 613,222.80

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Solution

The fourth proportional to 691,954.80, 1,035,963.90 and 613,222.80 is: 918,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,954.80 : 1,035,963.90 = 613,222.80 : x
  2. Step 2: Convert to fraction form
    691,954.80/1,035,963.90 = 613,222.80/x
  3. Step 3: Cross multiply
    691,954.80x = 1,035,963.90 × 613,222.80
  4. Step 4: Simplify right side
    691,954.80x = 635,276,683,456.92
  5. Step 5: Solve for x
    x = 635,276,683,456.92/691,954.80
  6. Step 6: Final answer
    x = 918,089.86

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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.