Home / 787,355.61-1,179,257.77-365,744.25

Finding the Fourth Proportional to 787,355.61, 1,179,257.77 and 365,744.25

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Solution

The fourth proportional to 787,355.61, 1,179,257.77 and 365,744.25 is: 547,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,355.61 : 1,179,257.77 = 365,744.25 : x
  2. Step 2: Convert to fraction form
    787,355.61/1,179,257.77 = 365,744.25/x
  3. Step 3: Cross multiply
    787,355.61x = 1,179,257.77 × 365,744.25
  4. Step 4: Simplify right side
    787,355.61x = 431,306,748,645.32
  5. Step 5: Solve for x
    x = 431,306,748,645.32/787,355.61
  6. Step 6: Final answer
    x = 547,791.55

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1.5x scale

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.