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Finding the Fourth Proportional to 464,244.66, 640,937.07 and 303,368.94

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Solution

The fourth proportional to 464,244.66, 640,937.07 and 303,368.94 is: 418,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,244.66 : 640,937.07 = 303,368.94 : x
  2. Step 2: Convert to fraction form
    464,244.66/640,937.07 = 303,368.94/x
  3. Step 3: Cross multiply
    464,244.66x = 640,937.07 × 303,368.94
  4. Step 4: Simplify right side
    464,244.66x = 194,440,399,532.61
  5. Step 5: Solve for x
    x = 194,440,399,532.61/464,244.66
  6. Step 6: Final answer
    x = 418,831.74

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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.