Home / 784,987.20-1,177,999.20-448,027.20

Finding the Fourth Proportional to 784,987.20, 1,177,999.20 and 448,027.20

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Solution

The fourth proportional to 784,987.20, 1,177,999.20 and 448,027.20 is: 672,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,987.20 : 1,177,999.20 = 448,027.20 : x
  2. Step 2: Convert to fraction form
    784,987.20/1,177,999.20 = 448,027.20/x
  3. Step 3: Cross multiply
    784,987.20x = 1,177,999.20 × 448,027.20
  4. Step 4: Simplify right side
    784,987.20x = 527,775,683,178.24
  5. Step 5: Solve for x
    x = 527,775,683,178.24/784,987.20
  6. Step 6: Final answer
    x = 672,336.67

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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.