Home / 782,308.33-1,079,496.20-438,096.40

Finding the Fourth Proportional to 782,308.33, 1,079,496.20 and 438,096.40

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Solution

The fourth proportional to 782,308.33, 1,079,496.20 and 438,096.40 is: 604,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,308.33 : 1,079,496.20 = 438,096.40 : x
  2. Step 2: Convert to fraction form
    782,308.33/1,079,496.20 = 438,096.40/x
  3. Step 3: Cross multiply
    782,308.33x = 1,079,496.20 × 438,096.40
  4. Step 4: Simplify right side
    782,308.33x = 472,923,397,430.18
  5. Step 5: Solve for x
    x = 472,923,397,430.18/782,308.33
  6. Step 6: Final answer
    x = 604,523.03

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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.