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Finding the Fourth Proportional to 515,392.74, 773,089.02 and 302,484.60

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Solution

The fourth proportional to 515,392.74, 773,089.02 and 302,484.60 is: 453,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,392.74 : 773,089.02 = 302,484.60 : x
  2. Step 2: Convert to fraction form
    515,392.74/773,089.02 = 302,484.60/x
  3. Step 3: Cross multiply
    515,392.74x = 773,089.02 × 302,484.60
  4. Step 4: Simplify right side
    515,392.74x = 233,847,522,979.09
  5. Step 5: Solve for x
    x = 233,847,522,979.09/515,392.74
  6. Step 6: Final answer
    x = 453,726.85

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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.