Home / 772,008.24-1,065,116.17-465,968.35

Finding the Fourth Proportional to 772,008.24, 1,065,116.17 and 465,968.35

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Solution

The fourth proportional to 772,008.24, 1,065,116.17 and 465,968.35 is: 642,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,008.24 : 1,065,116.17 = 465,968.35 : x
  2. Step 2: Convert to fraction form
    772,008.24/1,065,116.17 = 465,968.35/x
  3. Step 3: Cross multiply
    772,008.24x = 1,065,116.17 × 465,968.35
  4. Step 4: Simplify right side
    772,008.24x = 496,310,424,293.22
  5. Step 5: Solve for x
    x = 496,310,424,293.22/772,008.24
  6. Step 6: Final answer
    x = 642,882.29

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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.