Home / 774,024-1,068,148.98-425,171.28

Finding the Fourth Proportional to 774,024, 1,068,148.98 and 425,171.28

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Solution

The fourth proportional to 774,024, 1,068,148.98 and 425,171.28 is: 586,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,024 : 1,068,148.98 = 425,171.28 : x
  2. Step 2: Convert to fraction form
    774,024/1,068,148.98 = 425,171.28/x
  3. Step 3: Cross multiply
    774,024x = 1,068,148.98 × 425,171.28
  4. Step 4: Simplify right side
    774,024x = 454,146,269,057.29
  5. Step 5: Solve for x
    x = 454,146,269,057.29/774,024
  6. Step 6: Final answer
    x = 586,734.09

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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.