Home / 750,581.37-1,035,782.24-428,285.61

Finding the Fourth Proportional to 750,581.37, 1,035,782.24 and 428,285.61

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Solution

The fourth proportional to 750,581.37, 1,035,782.24 and 428,285.61 is: 591,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,581.37 : 1,035,782.24 = 428,285.61 : x
  2. Step 2: Convert to fraction form
    750,581.37/1,035,782.24 = 428,285.61/x
  3. Step 3: Cross multiply
    750,581.37x = 1,035,782.24 × 428,285.61
  4. Step 4: Simplify right side
    750,581.37x = 443,610,626,344.14
  5. Step 5: Solve for x
    x = 443,610,626,344.14/750,581.37
  6. Step 6: Final answer
    x = 591,022.70

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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.