Home / 745,017.46-1,028,321.80-458,777.43

Finding the Fourth Proportional to 745,017.46, 1,028,321.80 and 458,777.43

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Solution

The fourth proportional to 745,017.46, 1,028,321.80 and 458,777.43 is: 633,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,017.46 : 1,028,321.80 = 458,777.43 : x
  2. Step 2: Convert to fraction form
    745,017.46/1,028,321.80 = 458,777.43/x
  3. Step 3: Cross multiply
    745,017.46x = 1,028,321.80 × 458,777.43
  4. Step 4: Simplify right side
    745,017.46x = 471,770,831,470.03
  5. Step 5: Solve for x
    x = 471,770,831,470.03/745,017.46
  6. Step 6: Final answer
    x = 633,234.60

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1.5x scale

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.