Home / 510,001.20-763,446.60-299,012.40

Finding the Fourth Proportional to 510,001.20, 763,446.60 and 299,012.40

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Solution

The fourth proportional to 510,001.20, 763,446.60 and 299,012.40 is: 447,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,001.20 : 763,446.60 = 299,012.40 : x
  2. Step 2: Convert to fraction form
    510,001.20/763,446.60 = 299,012.40/x
  3. Step 3: Cross multiply
    510,001.20x = 763,446.60 × 299,012.40
  4. Step 4: Simplify right side
    510,001.20x = 228,280,000,137.84
  5. Step 5: Solve for x
    x = 228,280,000,137.84/510,001.20
  6. Step 6: Final answer
    x = 447,606.79

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1.5x scale

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.