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Finding the Fourth Proportional to 491,330.30, 735,245.85 and 340,864.70

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Solution

The fourth proportional to 491,330.30, 735,245.85 and 340,864.70 is: 510,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,330.30 : 735,245.85 = 340,864.70 : x
  2. Step 2: Convert to fraction form
    491,330.30/735,245.85 = 340,864.70/x
  3. Step 3: Cross multiply
    491,330.30x = 735,245.85 × 340,864.70
  4. Step 4: Simplify right side
    491,330.30x = 250,619,356,086.50
  5. Step 5: Solve for x
    x = 250,619,356,086.50/491,330.30
  6. Step 6: Final answer
    x = 510,083.25

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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.