Home / 745,164.48-1,028,437.70-439,143.02

Finding the Fourth Proportional to 745,164.48, 1,028,437.70 and 439,143.02

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Solution

The fourth proportional to 745,164.48, 1,028,437.70 and 439,143.02 is: 606,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,164.48 : 1,028,437.70 = 439,143.02 : x
  2. Step 2: Convert to fraction form
    745,164.48/1,028,437.70 = 439,143.02/x
  3. Step 3: Cross multiply
    745,164.48x = 1,028,437.70 × 439,143.02
  4. Step 4: Simplify right side
    745,164.48x = 451,631,230,121.95
  5. Step 5: Solve for x
    x = 451,631,230,121.95/745,164.48
  6. Step 6: Final answer
    x = 606,082.61

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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.