Home / 719,107.56-1,078,029.48-293,001.69

Finding the Fourth Proportional to 719,107.56, 1,078,029.48 and 293,001.69

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Solution

The fourth proportional to 719,107.56, 1,078,029.48 and 293,001.69 is: 439,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,107.56 : 1,078,029.48 = 293,001.69 : x
  2. Step 2: Convert to fraction form
    719,107.56/1,078,029.48 = 293,001.69/x
  3. Step 3: Cross multiply
    719,107.56x = 1,078,029.48 × 293,001.69
  4. Step 4: Simplify right side
    719,107.56x = 315,864,459,509.82
  5. Step 5: Solve for x
    x = 315,864,459,509.82/719,107.56
  6. Step 6: Final answer
    x = 439,245.08

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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.