Home / 754,284.89-1,130,679.97-354,209.51

Finding the Fourth Proportional to 754,284.89, 1,130,679.97 and 354,209.51

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Solution

The fourth proportional to 754,284.89, 1,130,679.97 and 354,209.51 is: 530,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,284.89 : 1,130,679.97 = 354,209.51 : x
  2. Step 2: Convert to fraction form
    754,284.89/1,130,679.97 = 354,209.51/x
  3. Step 3: Cross multiply
    754,284.89x = 1,130,679.97 × 354,209.51
  4. Step 4: Simplify right side
    754,284.89x = 400,497,598,140.52
  5. Step 5: Solve for x
    x = 400,497,598,140.52/754,284.89
  6. Step 6: Final answer
    x = 530,963.31

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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.