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Finding the Fourth Proportional to 606,415.20, 910,278.90 and 340,694.70

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Solution

The fourth proportional to 606,415.20, 910,278.90 and 340,694.70 is: 511,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,415.20 : 910,278.90 = 340,694.70 : x
  2. Step 2: Convert to fraction form
    606,415.20/910,278.90 = 340,694.70/x
  3. Step 3: Cross multiply
    606,415.20x = 910,278.90 × 340,694.70
  4. Step 4: Simplify right side
    606,415.20x = 310,127,196,751.83
  5. Step 5: Solve for x
    x = 310,127,196,751.83/606,415.20
  6. Step 6: Final answer
    x = 511,410.66

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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.