Home / 841,388.85-1,161,112.02-459,412.90

Finding the Fourth Proportional to 841,388.85, 1,161,112.02 and 459,412.90

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Solution

The fourth proportional to 841,388.85, 1,161,112.02 and 459,412.90 is: 633,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,388.85 : 1,161,112.02 = 459,412.90 : x
  2. Step 2: Convert to fraction form
    841,388.85/1,161,112.02 = 459,412.90/x
  3. Step 3: Cross multiply
    841,388.85x = 1,161,112.02 × 459,412.90
  4. Step 4: Simplify right side
    841,388.85x = 533,429,841,481.59
  5. Step 5: Solve for x
    x = 533,429,841,481.59/841,388.85
  6. Step 6: Final answer
    x = 633,987.29

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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.