Home / 621,665.31-857,899.44-367,032.90

Finding the Fourth Proportional to 621,665.31, 857,899.44 and 367,032.90

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Solution

The fourth proportional to 621,665.31, 857,899.44 and 367,032.90 is: 506,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,665.31 : 857,899.44 = 367,032.90 : x
  2. Step 2: Convert to fraction form
    621,665.31/857,899.44 = 367,032.90/x
  3. Step 3: Cross multiply
    621,665.31x = 857,899.44 × 367,032.90
  4. Step 4: Simplify right side
    621,665.31x = 314,877,319,371.58
  5. Step 5: Solve for x
    x = 314,877,319,371.58/621,665.31
  6. Step 6: Final answer
    x = 506,506.18

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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.