Home / 728,293.32-1,090,998.18-343,515.24

Finding the Fourth Proportional to 728,293.32, 1,090,998.18 and 343,515.24

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Solution

The fourth proportional to 728,293.32, 1,090,998.18 and 343,515.24 is: 514,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,293.32 : 1,090,998.18 = 343,515.24 : x
  2. Step 2: Convert to fraction form
    728,293.32/1,090,998.18 = 343,515.24/x
  3. Step 3: Cross multiply
    728,293.32x = 1,090,998.18 × 343,515.24
  4. Step 4: Simplify right side
    728,293.32x = 374,774,501,642.26
  5. Step 5: Solve for x
    x = 374,774,501,642.26/728,293.32
  6. Step 6: Final answer
    x = 514,592.80

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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.