Home / 809,279.79-1,116,806.17-446,703.74

Finding the Fourth Proportional to 809,279.79, 1,116,806.17 and 446,703.74

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Solution

The fourth proportional to 809,279.79, 1,116,806.17 and 446,703.74 is: 616,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,279.79 : 1,116,806.17 = 446,703.74 : x
  2. Step 2: Convert to fraction form
    809,279.79/1,116,806.17 = 446,703.74/x
  3. Step 3: Cross multiply
    809,279.79x = 1,116,806.17 × 446,703.74
  4. Step 4: Simplify right side
    809,279.79x = 498,881,492,994.08
  5. Step 5: Solve for x
    x = 498,881,492,994.08/809,279.79
  6. Step 6: Final answer
    x = 616,451.19

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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.