Home / 750,674.37-1,036,005.15-428,433.29

Finding the Fourth Proportional to 750,674.37, 1,036,005.15 and 428,433.29

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Solution

The fourth proportional to 750,674.37, 1,036,005.15 and 428,433.29 is: 591,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,674.37 : 1,036,005.15 = 428,433.29 : x
  2. Step 2: Convert to fraction form
    750,674.37/1,036,005.15 = 428,433.29/x
  3. Step 3: Cross multiply
    750,674.37x = 1,036,005.15 × 428,433.29
  4. Step 4: Simplify right side
    750,674.37x = 443,859,094,871.44
  5. Step 5: Solve for x
    x = 443,859,094,871.44/750,674.37
  6. Step 6: Final answer
    x = 591,280.47

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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.