Home / 809,320.68-1,116,862.76-446,744.77

Finding the Fourth Proportional to 809,320.68, 1,116,862.76 and 446,744.77

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Solution

The fourth proportional to 809,320.68, 1,116,862.76 and 446,744.77 is: 616,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,320.68 : 1,116,862.76 = 446,744.77 : x
  2. Step 2: Convert to fraction form
    809,320.68/1,116,862.76 = 446,744.77/x
  3. Step 3: Cross multiply
    809,320.68x = 1,116,862.76 × 446,744.77
  4. Step 4: Simplify right side
    809,320.68x = 498,952,596,837.77
  5. Step 5: Solve for x
    x = 498,952,596,837.77/809,320.68
  6. Step 6: Final answer
    x = 616,507.90

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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.