Home / 379,389.63-523,666.79-250,422.24

Finding the Fourth Proportional to 379,389.63, 523,666.79 and 250,422.24

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Solution

The fourth proportional to 379,389.63, 523,666.79 and 250,422.24 is: 345,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,389.63 : 523,666.79 = 250,422.24 : x
  2. Step 2: Convert to fraction form
    379,389.63/523,666.79 = 250,422.24/x
  3. Step 3: Cross multiply
    379,389.63x = 523,666.79 × 250,422.24
  4. Step 4: Simplify right side
    379,389.63x = 131,137,810,565.41
  5. Step 5: Solve for x
    x = 131,137,810,565.41/379,389.63
  6. Step 6: Final answer
    x = 345,654.70

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1.5x scale

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.