Home / 841,782.24-1,262,537.28-309,171.60

Finding the Fourth Proportional to 841,782.24, 1,262,537.28 and 309,171.60

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Solution

The fourth proportional to 841,782.24, 1,262,537.28 and 309,171.60 is: 463,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,782.24 : 1,262,537.28 = 309,171.60 : x
  2. Step 2: Convert to fraction form
    841,782.24/1,262,537.28 = 309,171.60/x
  3. Step 3: Cross multiply
    841,782.24x = 1,262,537.28 × 309,171.60
  4. Step 4: Simplify right side
    841,782.24x = 390,340,670,917.25
  5. Step 5: Solve for x
    x = 390,340,670,917.25/841,782.24
  6. Step 6: Final answer
    x = 463,707.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.