Home / 410,748.71-614,986.91-210,637.67

Finding the Fourth Proportional to 410,748.71, 614,986.91 and 210,637.67

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Solution

The fourth proportional to 410,748.71, 614,986.91 and 210,637.67 is: 315,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,748.71 : 614,986.91 = 210,637.67 : x
  2. Step 2: Convert to fraction form
    410,748.71/614,986.91 = 210,637.67/x
  3. Step 3: Cross multiply
    410,748.71x = 614,986.91 × 210,637.67
  4. Step 4: Simplify right side
    410,748.71x = 129,539,408,749.71
  5. Step 5: Solve for x
    x = 129,539,408,749.71/410,748.71
  6. Step 6: Final answer
    x = 315,373.87

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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.