Home / 745,227.67-1,028,548.29-439,285.87

Finding the Fourth Proportional to 745,227.67, 1,028,548.29 and 439,285.87

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Solution

The fourth proportional to 745,227.67, 1,028,548.29 and 439,285.87 is: 606,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,227.67 : 1,028,548.29 = 439,285.87 : x
  2. Step 2: Convert to fraction form
    745,227.67/1,028,548.29 = 439,285.87/x
  3. Step 3: Cross multiply
    745,227.67x = 1,028,548.29 × 439,285.87
  4. Step 4: Simplify right side
    745,227.67x = 451,826,730,409.66
  5. Step 5: Solve for x
    x = 451,826,730,409.66/745,227.67
  6. Step 6: Final answer
    x = 606,293.56

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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.