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Finding the Fourth Proportional to 582,515.60, 873,802.20 and 302,579.60

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Solution

The fourth proportional to 582,515.60, 873,802.20 and 302,579.60 is: 453,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,515.60 : 873,802.20 = 302,579.60 : x
  2. Step 2: Convert to fraction form
    582,515.60/873,802.20 = 302,579.60/x
  3. Step 3: Cross multiply
    582,515.60x = 873,802.20 × 302,579.60
  4. Step 4: Simplify right side
    582,515.60x = 264,394,720,155.12
  5. Step 5: Solve for x
    x = 264,394,720,155.12/582,515.60
  6. Step 6: Final answer
    x = 453,884.36

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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.