Home / 646,574.70-969,802.21-304,939.79

Finding the Fourth Proportional to 646,574.70, 969,802.21 and 304,939.79

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Solution

The fourth proportional to 646,574.70, 969,802.21 and 304,939.79 is: 457,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,574.70 : 969,802.21 = 304,939.79 : x
  2. Step 2: Convert to fraction form
    646,574.70/969,802.21 = 304,939.79/x
  3. Step 3: Cross multiply
    646,574.70x = 969,802.21 × 304,939.79
  4. Step 4: Simplify right side
    646,574.70x = 295,731,282,258.94
  5. Step 5: Solve for x
    x = 295,731,282,258.94/646,574.70
  6. Step 6: Final answer
    x = 457,381.46

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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.