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Finding the Fourth Proportional to 809,349.71, 1,116,902.81 and 446,773.82

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Solution

The fourth proportional to 809,349.71, 1,116,902.81 and 446,773.82 is: 616,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,349.71 : 1,116,902.81 = 446,773.82 : x
  2. Step 2: Convert to fraction form
    809,349.71/1,116,902.81 = 446,773.82/x
  3. Step 3: Cross multiply
    809,349.71x = 1,116,902.81 × 446,773.82
  4. Step 4: Simplify right side
    809,349.71x = 499,002,927,174.05
  5. Step 5: Solve for x
    x = 499,002,927,174.05/809,349.71
  6. Step 6: Final answer
    x = 616,547.98

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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.