Home / 646,165.77-969,248.93-290,764.64

Finding the Fourth Proportional to 646,165.77, 969,248.93 and 290,764.64

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Solution

The fourth proportional to 646,165.77, 969,248.93 and 290,764.64 is: 436,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,165.77 : 969,248.93 = 290,764.64 : x
  2. Step 2: Convert to fraction form
    646,165.77/969,248.93 = 290,764.64/x
  3. Step 3: Cross multiply
    646,165.77x = 969,248.93 × 290,764.64
  4. Step 4: Simplify right side
    646,165.77x = 281,823,309,901.77
  5. Step 5: Solve for x
    x = 281,823,309,901.77/646,165.77
  6. Step 6: Final answer
    x = 436,147.07

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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.