Home / 827,159.80-1,240,448.10-294,698.20

Finding the Fourth Proportional to 827,159.80, 1,240,448.10 and 294,698.20

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Solution

The fourth proportional to 827,159.80, 1,240,448.10 and 294,698.20 is: 441,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,159.80 : 1,240,448.10 = 294,698.20 : x
  2. Step 2: Convert to fraction form
    827,159.80/1,240,448.10 = 294,698.20/x
  3. Step 3: Cross multiply
    827,159.80x = 1,240,448.10 × 294,698.20
  4. Step 4: Simplify right side
    827,159.80x = 365,557,822,263.42
  5. Step 5: Solve for x
    x = 365,557,822,263.42/827,159.80
  6. Step 6: Final answer
    x = 441,943.41

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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.