Home / 750,027.92-1,035,030.66-405,856.34

Finding the Fourth Proportional to 750,027.92, 1,035,030.66 and 405,856.34

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Solution

The fourth proportional to 750,027.92, 1,035,030.66 and 405,856.34 is: 560,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,027.92 : 1,035,030.66 = 405,856.34 : x
  2. Step 2: Convert to fraction form
    750,027.92/1,035,030.66 = 405,856.34/x
  3. Step 3: Cross multiply
    750,027.92x = 1,035,030.66 × 405,856.34
  4. Step 4: Simplify right side
    750,027.92x = 420,073,752,639.64
  5. Step 5: Solve for x
    x = 420,073,752,639.64/750,027.92
  6. Step 6: Final answer
    x = 560,077.49

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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.