Home / 502,621.67-693,623.25-273,178.98

Finding the Fourth Proportional to 502,621.67, 693,623.25 and 273,178.98

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Solution

The fourth proportional to 502,621.67, 693,623.25 and 273,178.98 is: 376,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,621.67 : 693,623.25 = 273,178.98 : x
  2. Step 2: Convert to fraction form
    502,621.67/693,623.25 = 273,178.98/x
  3. Step 3: Cross multiply
    502,621.67x = 693,623.25 × 273,178.98
  4. Step 4: Simplify right side
    502,621.67x = 189,483,291,939.29
  5. Step 5: Solve for x
    x = 189,483,291,939.29/502,621.67
  6. Step 6: Final answer
    x = 376,989.90

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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.