Home / 780,148.80-1,167,631.20-566,308.80

Finding the Fourth Proportional to 780,148.80, 1,167,631.20 and 566,308.80

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Solution

The fourth proportional to 780,148.80, 1,167,631.20 and 566,308.80 is: 847,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,148.80 : 1,167,631.20 = 566,308.80 : x
  2. Step 2: Convert to fraction form
    780,148.80/1,167,631.20 = 566,308.80/x
  3. Step 3: Cross multiply
    780,148.80x = 1,167,631.20 × 566,308.80
  4. Step 4: Simplify right side
    780,148.80x = 661,239,823,714.56
  5. Step 5: Solve for x
    x = 661,239,823,714.56/780,148.80
  6. Step 6: Final answer
    x = 847,581.67

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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.