Home / 582,514.31-803,455.67-388,824.36

Finding the Fourth Proportional to 582,514.31, 803,455.67 and 388,824.36

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Solution

The fourth proportional to 582,514.31, 803,455.67 and 388,824.36 is: 536,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,514.31 : 803,455.67 = 388,824.36 : x
  2. Step 2: Convert to fraction form
    582,514.31/803,455.67 = 388,824.36/x
  3. Step 3: Cross multiply
    582,514.31x = 803,455.67 × 388,824.36
  4. Step 4: Simplify right side
    582,514.31x = 312,403,134,732.00
  5. Step 5: Solve for x
    x = 312,403,134,732.00/582,514.31
  6. Step 6: Final answer
    x = 536,301.22

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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.