Home / 508,723.32-763,040.70-193,182.60

Finding the Fourth Proportional to 508,723.32, 763,040.70 and 193,182.60

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Solution

The fourth proportional to 508,723.32, 763,040.70 and 193,182.60 is: 289,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,723.32 : 763,040.70 = 193,182.60 : x
  2. Step 2: Convert to fraction form
    508,723.32/763,040.70 = 193,182.60/x
  3. Step 3: Cross multiply
    508,723.32x = 763,040.70 × 193,182.60
  4. Step 4: Simplify right side
    508,723.32x = 147,406,186,331.82
  5. Step 5: Solve for x
    x = 147,406,186,331.82/508,723.32
  6. Step 6: Final answer
    x = 289,757.09

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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.