Home / 785,194.94-1,177,902.58-385,851.44

Finding the Fourth Proportional to 785,194.94, 1,177,902.58 and 385,851.44

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Solution

The fourth proportional to 785,194.94, 1,177,902.58 and 385,851.44 is: 578,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,194.94 : 1,177,902.58 = 385,851.44 : x
  2. Step 2: Convert to fraction form
    785,194.94/1,177,902.58 = 385,851.44/x
  3. Step 3: Cross multiply
    785,194.94x = 1,177,902.58 × 385,851.44
  4. Step 4: Simplify right side
    785,194.94x = 454,495,406,672.72
  5. Step 5: Solve for x
    x = 454,495,406,672.72/785,194.94
  6. Step 6: Final answer
    x = 578,831.30

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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.