Home / 789,488.64-1,089,428.07-467,142.24

Finding the Fourth Proportional to 789,488.64, 1,089,428.07 and 467,142.24

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Solution

The fourth proportional to 789,488.64, 1,089,428.07 and 467,142.24 is: 644,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,488.64 : 1,089,428.07 = 467,142.24 : x
  2. Step 2: Convert to fraction form
    789,488.64/1,089,428.07 = 467,142.24/x
  3. Step 3: Cross multiply
    789,488.64x = 1,089,428.07 × 467,142.24
  4. Step 4: Simplify right side
    789,488.64x = 508,917,868,938.68
  5. Step 5: Solve for x
    x = 508,917,868,938.68/789,488.64
  6. Step 6: Final answer
    x = 644,617.09

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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.