Home / 776,532.72-1,071,449.76-454,179.84

Finding the Fourth Proportional to 776,532.72, 1,071,449.76 and 454,179.84

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Solution

The fourth proportional to 776,532.72, 1,071,449.76 and 454,179.84 is: 626,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,532.72 : 1,071,449.76 = 454,179.84 : x
  2. Step 2: Convert to fraction form
    776,532.72/1,071,449.76 = 454,179.84/x
  3. Step 3: Cross multiply
    776,532.72x = 1,071,449.76 × 454,179.84
  4. Step 4: Simplify right side
    776,532.72x = 486,630,880,564.84
  5. Step 5: Solve for x
    x = 486,630,880,564.84/776,532.72
  6. Step 6: Final answer
    x = 626,671.44

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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.