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Finding the Fourth Proportional to 800,087.88, 1,103,601.03 and 513,153.48

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Solution

The fourth proportional to 800,087.88, 1,103,601.03 and 513,153.48 is: 707,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,087.88 : 1,103,601.03 = 513,153.48 : x
  2. Step 2: Convert to fraction form
    800,087.88/1,103,601.03 = 513,153.48/x
  3. Step 3: Cross multiply
    800,087.88x = 1,103,601.03 × 513,153.48
  4. Step 4: Simplify right side
    800,087.88x = 566,316,709,076.08
  5. Step 5: Solve for x
    x = 566,316,709,076.08/800,087.88
  6. Step 6: Final answer
    x = 707,818.13

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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.