Home / 787,356.11-1,179,258.51-365,744.75

Finding the Fourth Proportional to 787,356.11, 1,179,258.51 and 365,744.75

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Solution

The fourth proportional to 787,356.11, 1,179,258.51 and 365,744.75 is: 547,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,356.11 : 1,179,258.51 = 365,744.75 : x
  2. Step 2: Convert to fraction form
    787,356.11/1,179,258.51 = 365,744.75/x
  3. Step 3: Cross multiply
    787,356.11x = 1,179,258.51 × 365,744.75
  4. Step 4: Simplify right side
    787,356.11x = 431,307,608,925.32
  5. Step 5: Solve for x
    x = 431,307,608,925.32/787,356.11
  6. Step 6: Final answer
    x = 547,792.29

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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.