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Finding the Fourth Proportional to 464,309.01, 640,510.61 and 303,258.33

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Solution

The fourth proportional to 464,309.01, 640,510.61 and 303,258.33 is: 418,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,309.01 : 640,510.61 = 303,258.33 : x
  2. Step 2: Convert to fraction form
    464,309.01/640,510.61 = 303,258.33/x
  3. Step 3: Cross multiply
    464,309.01x = 640,510.61 × 303,258.33
  4. Step 4: Simplify right side
    464,309.01x = 194,240,176,419.59
  5. Step 5: Solve for x
    x = 194,240,176,419.59/464,309.01
  6. Step 6: Final answer
    x = 418,342.47

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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.