Home / 745,311.66-1,028,513.94-435,267.56

Finding the Fourth Proportional to 745,311.66, 1,028,513.94 and 435,267.56

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Solution

The fourth proportional to 745,311.66, 1,028,513.94 and 435,267.56 is: 600,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,311.66 : 1,028,513.94 = 435,267.56 : x
  2. Step 2: Convert to fraction form
    745,311.66/1,028,513.94 = 435,267.56/x
  3. Step 3: Cross multiply
    745,311.66x = 1,028,513.94 × 435,267.56
  4. Step 4: Simplify right side
    745,311.66x = 447,678,747,947.22
  5. Step 5: Solve for x
    x = 447,678,747,947.22/745,311.66
  6. Step 6: Final answer
    x = 600,659.79

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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.