Home / 841,722.53-1,263,086.84-309,297.38

Finding the Fourth Proportional to 841,722.53, 1,263,086.84 and 309,297.38

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Solution

The fourth proportional to 841,722.53, 1,263,086.84 and 309,297.38 is: 464,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,722.53 : 1,263,086.84 = 309,297.38 : x
  2. Step 2: Convert to fraction form
    841,722.53/1,263,086.84 = 309,297.38/x
  3. Step 3: Cross multiply
    841,722.53x = 1,263,086.84 × 309,297.38
  4. Step 4: Simplify right side
    841,722.53x = 390,669,444,782.29
  5. Step 5: Solve for x
    x = 390,669,444,782.29/841,722.53
  6. Step 6: Final answer
    x = 464,130.91

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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.