Home / 750,674.63-1,036,005.50-428,433.54

Finding the Fourth Proportional to 750,674.63, 1,036,005.50 and 428,433.54

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Solution

The fourth proportional to 750,674.63, 1,036,005.50 and 428,433.54 is: 591,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,674.63 : 1,036,005.50 = 428,433.54 : x
  2. Step 2: Convert to fraction form
    750,674.63/1,036,005.50 = 428,433.54/x
  3. Step 3: Cross multiply
    750,674.63x = 1,036,005.50 × 428,433.54
  4. Step 4: Simplify right side
    750,674.63x = 443,859,501,682.30
  5. Step 5: Solve for x
    x = 443,859,501,682.30/750,674.63
  6. Step 6: Final answer
    x = 591,280.81

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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.