Home / 809,275.76-1,116,800.68-446,699.76

Finding the Fourth Proportional to 809,275.76, 1,116,800.68 and 446,699.76

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Solution

The fourth proportional to 809,275.76, 1,116,800.68 and 446,699.76 is: 616,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,275.76 : 1,116,800.68 = 446,699.76 : x
  2. Step 2: Convert to fraction form
    809,275.76/1,116,800.68 = 446,699.76/x
  3. Step 3: Cross multiply
    809,275.76x = 1,116,800.68 × 446,699.76
  4. Step 4: Simplify right side
    809,275.76x = 498,874,595,723.84
  5. Step 5: Solve for x
    x = 498,874,595,723.84/809,275.76
  6. Step 6: Final answer
    x = 616,445.74

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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.