Home / 809,279.76-1,116,806.20-446,703.76

Finding the Fourth Proportional to 809,279.76, 1,116,806.20 and 446,703.76

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Solution

The fourth proportional to 809,279.76, 1,116,806.20 and 446,703.76 is: 616,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,279.76 : 1,116,806.20 = 446,703.76 : x
  2. Step 2: Convert to fraction form
    809,279.76/1,116,806.20 = 446,703.76/x
  3. Step 3: Cross multiply
    809,279.76x = 1,116,806.20 × 446,703.76
  4. Step 4: Simplify right side
    809,279.76x = 498,881,528,731.31
  5. Step 5: Solve for x
    x = 498,881,528,731.31/809,279.76
  6. Step 6: Final answer
    x = 616,451.26

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1.5x scale

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.