Home / 750,039.13-1,035,045.97-405,867.50

Finding the Fourth Proportional to 750,039.13, 1,035,045.97 and 405,867.50

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Solution

The fourth proportional to 750,039.13, 1,035,045.97 and 405,867.50 is: 560,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,039.13 : 1,035,045.97 = 405,867.50 : x
  2. Step 2: Convert to fraction form
    750,039.13/1,035,045.97 = 405,867.50/x
  3. Step 3: Cross multiply
    750,039.13x = 1,035,045.97 × 405,867.50
  4. Step 4: Simplify right side
    750,039.13x = 420,091,520,228.98
  5. Step 5: Solve for x
    x = 420,091,520,228.98/750,039.13
  6. Step 6: Final answer
    x = 560,092.81

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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.