Home / 776,605.20-1,071,787.50-454,294.86

Finding the Fourth Proportional to 776,605.20, 1,071,787.50 and 454,294.86

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Solution

The fourth proportional to 776,605.20, 1,071,787.50 and 454,294.86 is: 626,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,605.20 : 1,071,787.50 = 454,294.86 : x
  2. Step 2: Convert to fraction form
    776,605.20/1,071,787.50 = 454,294.86/x
  3. Step 3: Cross multiply
    776,605.20x = 1,071,787.50 × 454,294.86
  4. Step 4: Simplify right side
    776,605.20x = 486,907,552,262.25
  5. Step 5: Solve for x
    x = 486,907,552,262.25/776,605.20
  6. Step 6: Final answer
    x = 626,969.21

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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.