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Finding the Fourth Proportional to 510,459.66, 704,422.35 and 284,100.30

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Solution

The fourth proportional to 510,459.66, 704,422.35 and 284,100.30 is: 392,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,459.66 : 704,422.35 = 284,100.30 : x
  2. Step 2: Convert to fraction form
    510,459.66/704,422.35 = 284,100.30/x
  3. Step 3: Cross multiply
    510,459.66x = 704,422.35 × 284,100.30
  4. Step 4: Simplify right side
    510,459.66x = 200,126,600,961.71
  5. Step 5: Solve for x
    x = 200,126,600,961.71/510,459.66
  6. Step 6: Final answer
    x = 392,051.75

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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.