Home / 745,840-1,029,649.27-582,145.48

Finding the Fourth Proportional to 745,840, 1,029,649.27 and 582,145.48

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Solution

The fourth proportional to 745,840, 1,029,649.27 and 582,145.48 is: 803,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,840 : 1,029,649.27 = 582,145.48 : x
  2. Step 2: Convert to fraction form
    745,840/1,029,649.27 = 582,145.48/x
  3. Step 3: Cross multiply
    745,840x = 1,029,649.27 × 582,145.48
  4. Step 4: Simplify right side
    745,840x = 599,405,665,605.07
  5. Step 5: Solve for x
    x = 599,405,665,605.07/745,840
  6. Step 6: Final answer
    x = 803,665.22

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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.