Home / 750,493.62-1,035,661.14-428,197.86

Finding the Fourth Proportional to 750,493.62, 1,035,661.14 and 428,197.86

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Solution

The fourth proportional to 750,493.62, 1,035,661.14 and 428,197.86 is: 590,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,493.62 : 1,035,661.14 = 428,197.86 : x
  2. Step 2: Convert to fraction form
    750,493.62/1,035,661.14 = 428,197.86/x
  3. Step 3: Cross multiply
    750,493.62x = 1,035,661.14 × 428,197.86
  4. Step 4: Simplify right side
    750,493.62x = 443,467,883,833.16
  5. Step 5: Solve for x
    x = 443,467,883,833.16/750,493.62
  6. Step 6: Final answer
    x = 590,901.60

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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.