Home / 782,061.82-1,079,241.51-424,365.82

Finding the Fourth Proportional to 782,061.82, 1,079,241.51 and 424,365.82

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Solution

The fourth proportional to 782,061.82, 1,079,241.51 and 424,365.82 is: 585,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,061.82 : 1,079,241.51 = 424,365.82 : x
  2. Step 2: Convert to fraction form
    782,061.82/1,079,241.51 = 424,365.82/x
  3. Step 3: Cross multiply
    782,061.82x = 1,079,241.51 × 424,365.82
  4. Step 4: Simplify right side
    782,061.82x = 457,993,208,369.19
  5. Step 5: Solve for x
    x = 457,993,208,369.19/782,061.82
  6. Step 6: Final answer
    x = 585,622.77

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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.