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Finding the Fourth Proportional to 502,504.59, 693,145.26 and 330,442.32

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Solution

The fourth proportional to 502,504.59, 693,145.26 and 330,442.32 is: 455,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,504.59 : 693,145.26 = 330,442.32 : x
  2. Step 2: Convert to fraction form
    502,504.59/693,145.26 = 330,442.32/x
  3. Step 3: Cross multiply
    502,504.59x = 693,145.26 × 330,442.32
  4. Step 4: Simplify right side
    502,504.59x = 229,044,527,811.40
  5. Step 5: Solve for x
    x = 229,044,527,811.40/502,504.59
  6. Step 6: Final answer
    x = 455,805.84

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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.