Home / 750,624.92-1,035,605.16-428,103.08

Finding the Fourth Proportional to 750,624.92, 1,035,605.16 and 428,103.08

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Solution

The fourth proportional to 750,624.92, 1,035,605.16 and 428,103.08 is: 590,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,624.92 : 1,035,605.16 = 428,103.08 : x
  2. Step 2: Convert to fraction form
    750,624.92/1,035,605.16 = 428,103.08/x
  3. Step 3: Cross multiply
    750,624.92x = 1,035,605.16 × 428,103.08
  4. Step 4: Simplify right side
    750,624.92x = 443,345,758,659.89
  5. Step 5: Solve for x
    x = 443,345,758,659.89/750,624.92
  6. Step 6: Final answer
    x = 590,635.54

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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.