Home / 890,838.87-1,229,068.41-503,616.75

Finding the Fourth Proportional to 890,838.87, 1,229,068.41 and 503,616.75

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Solution

The fourth proportional to 890,838.87, 1,229,068.41 and 503,616.75 is: 694,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,838.87 : 1,229,068.41 = 503,616.75 : x
  2. Step 2: Convert to fraction form
    890,838.87/1,229,068.41 = 503,616.75/x
  3. Step 3: Cross multiply
    890,838.87x = 1,229,068.41 × 503,616.75
  4. Step 4: Simplify right side
    890,838.87x = 618,979,438,171.87
  5. Step 5: Solve for x
    x = 618,979,438,171.87/890,838.87
  6. Step 6: Final answer
    x = 694,827.60

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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.