Home / 761,622.10-1,051,038.49-422,112.22

Finding the Fourth Proportional to 761,622.10, 1,051,038.49 and 422,112.22

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Solution

The fourth proportional to 761,622.10, 1,051,038.49 and 422,112.22 is: 582,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,622.10 : 1,051,038.49 = 422,112.22 : x
  2. Step 2: Convert to fraction form
    761,622.10/1,051,038.49 = 422,112.22/x
  3. Step 3: Cross multiply
    761,622.10x = 1,051,038.49 × 422,112.22
  4. Step 4: Simplify right side
    761,622.10x = 443,656,186,636.47
  5. Step 5: Solve for x
    x = 443,656,186,636.47/761,622.10
  6. Step 6: Final answer
    x = 582,514.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.