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Finding the Fourth Proportional to 585,019.60, 876,031.26 and 404,855.56

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Solution

The fourth proportional to 585,019.60, 876,031.26 and 404,855.56 is: 606,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,019.60 : 876,031.26 = 404,855.56 : x
  2. Step 2: Convert to fraction form
    585,019.60/876,031.26 = 404,855.56/x
  3. Step 3: Cross multiply
    585,019.60x = 876,031.26 × 404,855.56
  4. Step 4: Simplify right side
    585,019.60x = 354,666,126,344.81
  5. Step 5: Solve for x
    x = 354,666,126,344.81/585,019.60
  6. Step 6: Final answer
    x = 606,246.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.