Home / 882,819.75-1,218,422.48-520,127.67

Finding the Fourth Proportional to 882,819.75, 1,218,422.48 and 520,127.67

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Solution

The fourth proportional to 882,819.75, 1,218,422.48 and 520,127.67 is: 717,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,819.75 : 1,218,422.48 = 520,127.67 : x
  2. Step 2: Convert to fraction form
    882,819.75/1,218,422.48 = 520,127.67/x
  3. Step 3: Cross multiply
    882,819.75x = 1,218,422.48 × 520,127.67
  4. Step 4: Simplify right side
    882,819.75x = 633,735,242,997.38
  5. Step 5: Solve for x
    x = 633,735,242,997.38/882,819.75
  6. Step 6: Final answer
    x = 717,853.50

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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.