Home / 768,877.34-1,061,046.50-424,736.96

Finding the Fourth Proportional to 768,877.34, 1,061,046.50 and 424,736.96

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Solution

The fourth proportional to 768,877.34, 1,061,046.50 and 424,736.96 is: 586,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,877.34 : 1,061,046.50 = 424,736.96 : x
  2. Step 2: Convert to fraction form
    768,877.34/1,061,046.50 = 424,736.96/x
  3. Step 3: Cross multiply
    768,877.34x = 1,061,046.50 × 424,736.96
  4. Step 4: Simplify right side
    768,877.34x = 450,665,664,828.64
  5. Step 5: Solve for x
    x = 450,665,664,828.64/768,877.34
  6. Step 6: Final answer
    x = 586,134.67

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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.