Home / 774,787.11-1,069,007.61-452,311.89

Finding the Fourth Proportional to 774,787.11, 1,069,007.61 and 452,311.89

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Solution

The fourth proportional to 774,787.11, 1,069,007.61 and 452,311.89 is: 624,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,787.11 : 1,069,007.61 = 452,311.89 : x
  2. Step 2: Convert to fraction form
    774,787.11/1,069,007.61 = 452,311.89/x
  3. Step 3: Cross multiply
    774,787.11x = 1,069,007.61 × 452,311.89
  4. Step 4: Simplify right side
    774,787.11x = 483,524,852,503.48
  5. Step 5: Solve for x
    x = 483,524,852,503.48/774,787.11
  6. Step 6: Final answer
    x = 624,074.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.