Home / 809,426.25-1,117,026.05-446,849.19

Finding the Fourth Proportional to 809,426.25, 1,117,026.05 and 446,849.19

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Solution

The fourth proportional to 809,426.25, 1,117,026.05 and 446,849.19 is: 616,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,426.25 : 1,117,026.05 = 446,849.19 : x
  2. Step 2: Convert to fraction form
    809,426.25/1,117,026.05 = 446,849.19/x
  3. Step 3: Cross multiply
    809,426.25x = 1,117,026.05 × 446,849.19
  4. Step 4: Simplify right side
    809,426.25x = 499,142,183,417.15
  5. Step 5: Solve for x
    x = 499,142,183,417.15/809,426.25
  6. Step 6: Final answer
    x = 616,661.72

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Double scale
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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.