Home / 823,351.39-1,234,393.93-418,210.72

Finding the Fourth Proportional to 823,351.39, 1,234,393.93 and 418,210.72

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Solution

The fourth proportional to 823,351.39, 1,234,393.93 and 418,210.72 is: 626,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,351.39 : 1,234,393.93 = 418,210.72 : x
  2. Step 2: Convert to fraction form
    823,351.39/1,234,393.93 = 418,210.72/x
  3. Step 3: Cross multiply
    823,351.39x = 1,234,393.93 × 418,210.72
  4. Step 4: Simplify right side
    823,351.39x = 516,236,771,665.71
  5. Step 5: Solve for x
    x = 516,236,771,665.71/823,351.39
  6. Step 6: Final answer
    x = 626,994.48

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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.