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Finding the Fourth Proportional to 573,031.49, 790,788.13 and 358,296.03

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Solution

The fourth proportional to 573,031.49, 790,788.13 and 358,296.03 is: 494,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,031.49 : 790,788.13 = 358,296.03 : x
  2. Step 2: Convert to fraction form
    573,031.49/790,788.13 = 358,296.03/x
  3. Step 3: Cross multiply
    573,031.49x = 790,788.13 × 358,296.03
  4. Step 4: Simplify right side
    573,031.49x = 283,336,246,654.38
  5. Step 5: Solve for x
    x = 283,336,246,654.38/573,031.49
  6. Step 6: Final answer
    x = 494,451.45

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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.