Home / 582,540.70-803,743.77-375,721.60

Finding the Fourth Proportional to 582,540.70, 803,743.77 and 375,721.60

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Solution

The fourth proportional to 582,540.70, 803,743.77 and 375,721.60 is: 518,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,540.70 : 803,743.77 = 375,721.60 : x
  2. Step 2: Convert to fraction form
    582,540.70/803,743.77 = 375,721.60/x
  3. Step 3: Cross multiply
    582,540.70x = 803,743.77 × 375,721.60
  4. Step 4: Simplify right side
    582,540.70x = 301,983,895,254.43
  5. Step 5: Solve for x
    x = 301,983,895,254.43/582,540.70
  6. Step 6: Final answer
    x = 518,391.07

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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.