Home / 663,024.31-914,973.65-361,218.31

Finding the Fourth Proportional to 663,024.31, 914,973.65 and 361,218.31

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Solution

The fourth proportional to 663,024.31, 914,973.65 and 361,218.31 is: 498,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,024.31 : 914,973.65 = 361,218.31 : x
  2. Step 2: Convert to fraction form
    663,024.31/914,973.65 = 361,218.31/x
  3. Step 3: Cross multiply
    663,024.31x = 914,973.65 × 361,218.31
  4. Step 4: Simplify right side
    663,024.31x = 330,505,235,547.53
  5. Step 5: Solve for x
    x = 330,505,235,547.53/663,024.31
  6. Step 6: Final answer
    x = 498,481.32

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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.