Home / 785,008.80-1,175,180.40-519,069.60

Finding the Fourth Proportional to 785,008.80, 1,175,180.40 and 519,069.60

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Solution

The fourth proportional to 785,008.80, 1,175,180.40 and 519,069.60 is: 777,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,008.80 : 1,175,180.40 = 519,069.60 : x
  2. Step 2: Convert to fraction form
    785,008.80/1,175,180.40 = 519,069.60/x
  3. Step 3: Cross multiply
    785,008.80x = 1,175,180.40 × 519,069.60
  4. Step 4: Simplify right side
    785,008.80x = 610,000,420,155.84
  5. Step 5: Solve for x
    x = 610,000,420,155.84/785,008.80
  6. Step 6: Final answer
    x = 777,061.89

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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.