Home / 787,355.98-1,179,258.33-365,744.62

Finding the Fourth Proportional to 787,355.98, 1,179,258.33 and 365,744.62

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Solution

The fourth proportional to 787,355.98, 1,179,258.33 and 365,744.62 is: 547,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,355.98 : 1,179,258.33 = 365,744.62 : x
  2. Step 2: Convert to fraction form
    787,355.98/1,179,258.33 = 365,744.62/x
  3. Step 3: Cross multiply
    787,355.98x = 1,179,258.33 × 365,744.62
  4. Step 4: Simplify right side
    787,355.98x = 431,307,389,787.69
  5. Step 5: Solve for x
    x = 431,307,389,787.69/787,355.98
  6. Step 6: Final answer
    x = 547,792.11

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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.