Home / 780,022.08-1,170,171.36-293,693.76

Finding the Fourth Proportional to 780,022.08, 1,170,171.36 and 293,693.76

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Solution

The fourth proportional to 780,022.08, 1,170,171.36 and 293,693.76 is: 440,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,022.08 : 1,170,171.36 = 293,693.76 : x
  2. Step 2: Convert to fraction form
    780,022.08/1,170,171.36 = 293,693.76/x
  3. Step 3: Cross multiply
    780,022.08x = 1,170,171.36 × 293,693.76
  4. Step 4: Simplify right side
    780,022.08x = 343,672,026,562.71
  5. Step 5: Solve for x
    x = 343,672,026,562.71/780,022.08
  6. Step 6: Final answer
    x = 440,592.69

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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.