Home / 646,162.15-969,243.49-290,761.01

Finding the Fourth Proportional to 646,162.15, 969,243.49 and 290,761.01

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Solution

The fourth proportional to 646,162.15, 969,243.49 and 290,761.01 is: 436,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,162.15 : 969,243.49 = 290,761.01 : x
  2. Step 2: Convert to fraction form
    646,162.15/969,243.49 = 290,761.01/x
  3. Step 3: Cross multiply
    646,162.15x = 969,243.49 × 290,761.01
  4. Step 4: Simplify right side
    646,162.15x = 281,818,216,088.33
  5. Step 5: Solve for x
    x = 281,818,216,088.33/646,162.15
  6. Step 6: Final answer
    x = 436,141.64

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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.