Home / 761,486.57-1,050,851.46-421,954.82

Finding the Fourth Proportional to 761,486.57, 1,050,851.46 and 421,954.82

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Solution

The fourth proportional to 761,486.57, 1,050,851.46 and 421,954.82 is: 582,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,486.57 : 1,050,851.46 = 421,954.82 : x
  2. Step 2: Convert to fraction form
    761,486.57/1,050,851.46 = 421,954.82/x
  3. Step 3: Cross multiply
    761,486.57x = 1,050,851.46 × 421,954.82
  4. Step 4: Simplify right side
    761,486.57x = 443,411,831,287.01
  5. Step 5: Solve for x
    x = 443,411,831,287.01/761,486.57
  6. Step 6: Final answer
    x = 582,297.64

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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.