Home / 767,737.80-1,151,606.70-368,310.60

Finding the Fourth Proportional to 767,737.80, 1,151,606.70 and 368,310.60

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Solution

The fourth proportional to 767,737.80, 1,151,606.70 and 368,310.60 is: 552,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,737.80 : 1,151,606.70 = 368,310.60 : x
  2. Step 2: Convert to fraction form
    767,737.80/1,151,606.70 = 368,310.60/x
  3. Step 3: Cross multiply
    767,737.80x = 1,151,606.70 × 368,310.60
  4. Step 4: Simplify right side
    767,737.80x = 424,148,954,641.02
  5. Step 5: Solve for x
    x = 424,148,954,641.02/767,737.80
  6. Step 6: Final answer
    x = 552,465.90

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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.