Home / 901,196.88-1,243,567.28-538,548.56

Finding the Fourth Proportional to 901,196.88, 1,243,567.28 and 538,548.56

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Solution

The fourth proportional to 901,196.88, 1,243,567.28 and 538,548.56 is: 743,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,196.88 : 1,243,567.28 = 538,548.56 : x
  2. Step 2: Convert to fraction form
    901,196.88/1,243,567.28 = 538,548.56/x
  3. Step 3: Cross multiply
    901,196.88x = 1,243,567.28 × 538,548.56
  4. Step 4: Simplify right side
    901,196.88x = 669,721,367,907.12
  5. Step 5: Solve for x
    x = 669,721,367,907.12/901,196.88
  6. Step 6: Final answer
    x = 743,146.57

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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.