Home / 809,320.18-1,116,862.07-446,744.27

Finding the Fourth Proportional to 809,320.18, 1,116,862.07 and 446,744.27

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Solution

The fourth proportional to 809,320.18, 1,116,862.07 and 446,744.27 is: 616,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,320.18 : 1,116,862.07 = 446,744.27 : x
  2. Step 2: Convert to fraction form
    809,320.18/1,116,862.07 = 446,744.27/x
  3. Step 3: Cross multiply
    809,320.18x = 1,116,862.07 × 446,744.27
  4. Step 4: Simplify right side
    809,320.18x = 498,951,730,152.84
  5. Step 5: Solve for x
    x = 498,951,730,152.84/809,320.18
  6. Step 6: Final answer
    x = 616,507.21

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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.