Home / 609,234.12-840,742.98-340,962.12

Finding the Fourth Proportional to 609,234.12, 840,742.98 and 340,962.12

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Solution

The fourth proportional to 609,234.12, 840,742.98 and 340,962.12 is: 470,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,234.12 : 840,742.98 = 340,962.12 : x
  2. Step 2: Convert to fraction form
    609,234.12/840,742.98 = 340,962.12/x
  3. Step 3: Cross multiply
    609,234.12x = 840,742.98 × 340,962.12
  4. Step 4: Simplify right side
    609,234.12x = 286,661,508,835.92
  5. Step 5: Solve for x
    x = 286,661,508,835.92/609,234.12
  6. Step 6: Final answer
    x = 470,527.67

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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.