Home / 817,698.06-1,226,751.21-285,226.74

Finding the Fourth Proportional to 817,698.06, 1,226,751.21 and 285,226.74

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Solution

The fourth proportional to 817,698.06, 1,226,751.21 and 285,226.74 is: 427,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,698.06 : 1,226,751.21 = 285,226.74 : x
  2. Step 2: Convert to fraction form
    817,698.06/1,226,751.21 = 285,226.74/x
  3. Step 3: Cross multiply
    817,698.06x = 1,226,751.21 × 285,226.74
  4. Step 4: Simplify right side
    817,698.06x = 349,902,248,419.36
  5. Step 5: Solve for x
    x = 349,902,248,419.36/817,698.06
  6. Step 6: Final answer
    x = 427,911.31

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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.