Home / 762,663.12-1,052,968.13-472,582.51

Finding the Fourth Proportional to 762,663.12, 1,052,968.13 and 472,582.51

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Solution

The fourth proportional to 762,663.12, 1,052,968.13 and 472,582.51 is: 652,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,663.12 : 1,052,968.13 = 472,582.51 : x
  2. Step 2: Convert to fraction form
    762,663.12/1,052,968.13 = 472,582.51/x
  3. Step 3: Cross multiply
    762,663.12x = 1,052,968.13 × 472,582.51
  4. Step 4: Simplify right side
    762,663.12x = 497,614,321,825.41
  5. Step 5: Solve for x
    x = 497,614,321,825.41/762,663.12
  6. Step 6: Final answer
    x = 652,469.37

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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.