Home / 901,187.88-1,243,554.86-538,539.56

Finding the Fourth Proportional to 901,187.88, 1,243,554.86 and 538,539.56

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Solution

The fourth proportional to 901,187.88, 1,243,554.86 and 538,539.56 is: 743,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,187.88 : 1,243,554.86 = 538,539.56 : x
  2. Step 2: Convert to fraction form
    901,187.88/1,243,554.86 = 538,539.56/x
  3. Step 3: Cross multiply
    901,187.88x = 1,243,554.86 × 538,539.56
  4. Step 4: Simplify right side
    901,187.88x = 669,703,487,140.26
  5. Step 5: Solve for x
    x = 669,703,487,140.26/901,187.88
  6. Step 6: Final answer
    x = 743,134.15

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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.