Home / 768,972.84-1,151,850.78-618,397.80

Finding the Fourth Proportional to 768,972.84, 1,151,850.78 and 618,397.80

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Solution

The fourth proportional to 768,972.84, 1,151,850.78 and 618,397.80 is: 926,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,972.84 : 1,151,850.78 = 618,397.80 : x
  2. Step 2: Convert to fraction form
    768,972.84/1,151,850.78 = 618,397.80/x
  3. Step 3: Cross multiply
    768,972.84x = 1,151,850.78 × 618,397.80
  4. Step 4: Simplify right side
    768,972.84x = 712,301,988,280.28
  5. Step 5: Solve for x
    x = 712,301,988,280.28/768,972.84
  6. Step 6: Final answer
    x = 926,303.18

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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.