Home / 750,309.09-1,035,525.15-427,945.29

Finding the Fourth Proportional to 750,309.09, 1,035,525.15 and 427,945.29

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Solution

The fourth proportional to 750,309.09, 1,035,525.15 and 427,945.29 is: 590,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,309.09 : 1,035,525.15 = 427,945.29 : x
  2. Step 2: Convert to fraction form
    750,309.09/1,035,525.15 = 427,945.29/x
  3. Step 3: Cross multiply
    750,309.09x = 1,035,525.15 × 427,945.29
  4. Step 4: Simplify right side
    750,309.09x = 443,148,110,619.04
  5. Step 5: Solve for x
    x = 443,148,110,619.04/750,309.09
  6. Step 6: Final answer
    x = 590,620.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.