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Finding the Fourth Proportional to 635,363.64, 876,880.80 and 363,393.81

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Solution

The fourth proportional to 635,363.64, 876,880.80 and 363,393.81 is: 501,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,363.64 : 876,880.80 = 363,393.81 : x
  2. Step 2: Convert to fraction form
    635,363.64/876,880.80 = 363,393.81/x
  3. Step 3: Cross multiply
    635,363.64x = 876,880.80 × 363,393.81
  4. Step 4: Simplify right side
    635,363.64x = 318,653,054,827.85
  5. Step 5: Solve for x
    x = 318,653,054,827.85/635,363.64
  6. Step 6: Final answer
    x = 501,528.63

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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.