Home / 705,127.04-1,057,842.30-218,799.49

Finding the Fourth Proportional to 705,127.04, 1,057,842.30 and 218,799.49

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Solution

The fourth proportional to 705,127.04, 1,057,842.30 and 218,799.49 is: 328,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,127.04 : 1,057,842.30 = 218,799.49 : x
  2. Step 2: Convert to fraction form
    705,127.04/1,057,842.30 = 218,799.49/x
  3. Step 3: Cross multiply
    705,127.04x = 1,057,842.30 × 218,799.49
  4. Step 4: Simplify right side
    705,127.04x = 231,455,355,740.43
  5. Step 5: Solve for x
    x = 231,455,355,740.43/705,127.04
  6. Step 6: Final answer
    x = 328,246.32

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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.