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Finding the Fourth Proportional to 510,873.96, 704,976.30 and 375,476.52

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Solution

The fourth proportional to 510,873.96, 704,976.30 and 375,476.52 is: 518,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,873.96 : 704,976.30 = 375,476.52 : x
  2. Step 2: Convert to fraction form
    510,873.96/704,976.30 = 375,476.52/x
  3. Step 3: Cross multiply
    510,873.96x = 704,976.30 × 375,476.52
  4. Step 4: Simplify right side
    510,873.96x = 264,702,047,806.48
  5. Step 5: Solve for x
    x = 264,702,047,806.48/510,873.96
  6. Step 6: Final answer
    x = 518,135.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.