Home / 750,017.20-1,035,026.45-405,853.11

Finding the Fourth Proportional to 750,017.20, 1,035,026.45 and 405,853.11

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Solution

The fourth proportional to 750,017.20, 1,035,026.45 and 405,853.11 is: 560,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,017.20 : 1,035,026.45 = 405,853.11 : x
  2. Step 2: Convert to fraction form
    750,017.20/1,035,026.45 = 405,853.11/x
  3. Step 3: Cross multiply
    750,017.20x = 1,035,026.45 × 405,853.11
  4. Step 4: Simplify right side
    750,017.20x = 420,068,702,529.36
  5. Step 5: Solve for x
    x = 420,068,702,529.36/750,017.20
  6. Step 6: Final answer
    x = 560,078.76

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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.