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Finding the Fourth Proportional to 510,544.06, 704,539.10 and 319,662.70

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Solution

The fourth proportional to 510,544.06, 704,539.10 and 319,662.70 is: 441,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,544.06 : 704,539.10 = 319,662.70 : x
  2. Step 2: Convert to fraction form
    510,544.06/704,539.10 = 319,662.70/x
  3. Step 3: Cross multiply
    510,544.06x = 704,539.10 × 319,662.70
  4. Step 4: Simplify right side
    510,544.06x = 225,214,870,961.57
  5. Step 5: Solve for x
    x = 225,214,870,961.57/510,544.06
  6. Step 6: Final answer
    x = 441,127.20

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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.