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Finding the Fourth Proportional to 545,216.40, 817,824.60 and 346,418.10

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Solution

The fourth proportional to 545,216.40, 817,824.60 and 346,418.10 is: 519,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,216.40 : 817,824.60 = 346,418.10 : x
  2. Step 2: Convert to fraction form
    545,216.40/817,824.60 = 346,418.10/x
  3. Step 3: Cross multiply
    545,216.40x = 817,824.60 × 346,418.10
  4. Step 4: Simplify right side
    545,216.40x = 283,309,244,065.26
  5. Step 5: Solve for x
    x = 283,309,244,065.26/545,216.40
  6. Step 6: Final answer
    x = 519,627.15

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Similar ratio
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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.