Home / 755,644.04-1,042,475.82-449,659.16

Finding the Fourth Proportional to 755,644.04, 1,042,475.82 and 449,659.16

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Solution

The fourth proportional to 755,644.04, 1,042,475.82 and 449,659.16 is: 620,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,644.04 : 1,042,475.82 = 449,659.16 : x
  2. Step 2: Convert to fraction form
    755,644.04/1,042,475.82 = 449,659.16/x
  3. Step 3: Cross multiply
    755,644.04x = 1,042,475.82 × 449,659.16
  4. Step 4: Simplify right side
    755,644.04x = 468,758,801,541.51
  5. Step 5: Solve for x
    x = 468,758,801,541.51/755,644.04
  6. Step 6: Final answer
    x = 620,343.41

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1.5x scale

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.