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Finding the Fourth Proportional to 510,679.86, 704,215.53 and 338,537.94

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Solution

The fourth proportional to 510,679.86, 704,215.53 and 338,537.94 is: 466,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,679.86 : 704,215.53 = 338,537.94 : x
  2. Step 2: Convert to fraction form
    510,679.86/704,215.53 = 338,537.94/x
  3. Step 3: Cross multiply
    510,679.86x = 704,215.53 × 338,537.94
  4. Step 4: Simplify right side
    510,679.86x = 238,403,674,842.21
  5. Step 5: Solve for x
    x = 238,403,674,842.21/510,679.86
  6. Step 6: Final answer
    x = 466,835.87

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1.5x scale

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.