Home / 379,717.40-569,576.10-237,999.80

Finding the Fourth Proportional to 379,717.40, 569,576.10 and 237,999.80

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Solution

The fourth proportional to 379,717.40, 569,576.10 and 237,999.80 is: 356,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,717.40 : 569,576.10 = 237,999.80 : x
  2. Step 2: Convert to fraction form
    379,717.40/569,576.10 = 237,999.80/x
  3. Step 3: Cross multiply
    379,717.40x = 569,576.10 × 237,999.80
  4. Step 4: Simplify right side
    379,717.40x = 135,558,997,884.78
  5. Step 5: Solve for x
    x = 135,558,997,884.78/379,717.40
  6. Step 6: Final answer
    x = 356,999.70

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1.5x scale

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.