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Finding the Fourth Proportional to 515,064.90, 772,925.40 and 301,832.40

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Solution

The fourth proportional to 515,064.90, 772,925.40 and 301,832.40 is: 452,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,064.90 : 772,925.40 = 301,832.40 : x
  2. Step 2: Convert to fraction form
    515,064.90/772,925.40 = 301,832.40/x
  3. Step 3: Cross multiply
    515,064.90x = 772,925.40 × 301,832.40
  4. Step 4: Simplify right side
    515,064.90x = 233,293,928,502.96
  5. Step 5: Solve for x
    x = 233,293,928,502.96/515,064.90
  6. Step 6: Final answer
    x = 452,940.84

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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.