Home / 709,629.90-1,064,614.95-236,319.36

Finding the Fourth Proportional to 709,629.90, 1,064,614.95 and 236,319.36

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Solution

The fourth proportional to 709,629.90, 1,064,614.95 and 236,319.36 is: 354,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,629.90 : 1,064,614.95 = 236,319.36 : x
  2. Step 2: Convert to fraction form
    709,629.90/1,064,614.95 = 236,319.36/x
  3. Step 3: Cross multiply
    709,629.90x = 1,064,614.95 × 236,319.36
  4. Step 4: Simplify right side
    709,629.90x = 251,589,123,630.43
  5. Step 5: Solve for x
    x = 251,589,123,630.43/709,629.90
  6. Step 6: Final answer
    x = 354,535.69

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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.