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Finding the Fourth Proportional to 510,648.12, 704,650.86 and 284,314.68

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Solution

The fourth proportional to 510,648.12, 704,650.86 and 284,314.68 is: 392,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,648.12 : 704,650.86 = 284,314.68 : x
  2. Step 2: Convert to fraction form
    510,648.12/704,650.86 = 284,314.68/x
  3. Step 3: Cross multiply
    510,648.12x = 704,650.86 × 284,314.68
  4. Step 4: Simplify right side
    510,648.12x = 200,342,583,772.63
  5. Step 5: Solve for x
    x = 200,342,583,772.63/510,648.12
  6. Step 6: Final answer
    x = 392,330.01

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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.