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Finding the Fourth Proportional to 477,955.94, 659,521.04 and 284,369.31

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Solution

The fourth proportional to 477,955.94, 659,521.04 and 284,369.31 is: 392,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,955.94 : 659,521.04 = 284,369.31 : x
  2. Step 2: Convert to fraction form
    477,955.94/659,521.04 = 284,369.31/x
  3. Step 3: Cross multiply
    477,955.94x = 659,521.04 × 284,369.31
  4. Step 4: Simplify right side
    477,955.94x = 187,547,541,653.44
  5. Step 5: Solve for x
    x = 187,547,541,653.44/477,955.94
  6. Step 6: Final answer
    x = 392,395.05

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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.