Home / 587,988.46-811,771.91-370,383.67

Finding the Fourth Proportional to 587,988.46, 811,771.91 and 370,383.67

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Solution

The fourth proportional to 587,988.46, 811,771.91 and 370,383.67 is: 511,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,988.46 : 811,771.91 = 370,383.67 : x
  2. Step 2: Convert to fraction form
    587,988.46/811,771.91 = 370,383.67/x
  3. Step 3: Cross multiply
    587,988.46x = 811,771.91 × 370,383.67
  4. Step 4: Simplify right side
    587,988.46x = 300,667,058,125.24
  5. Step 5: Solve for x
    x = 300,667,058,125.24/587,988.46
  6. Step 6: Final answer
    x = 511,348.57

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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.