Home / 911,298.84-1,257,604.07-503,399.04

Finding the Fourth Proportional to 911,298.84, 1,257,604.07 and 503,399.04

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Solution

The fourth proportional to 911,298.84, 1,257,604.07 and 503,399.04 is: 694,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,298.84 : 1,257,604.07 = 503,399.04 : x
  2. Step 2: Convert to fraction form
    911,298.84/1,257,604.07 = 503,399.04/x
  3. Step 3: Cross multiply
    911,298.84x = 1,257,604.07 × 503,399.04
  4. Step 4: Simplify right side
    911,298.84x = 633,076,681,538.09
  5. Step 5: Solve for x
    x = 633,076,681,538.09/911,298.84
  6. Step 6: Final answer
    x = 694,697.12

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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.