Home / 705,888.04-1,059,029.72-285,459.16

Finding the Fourth Proportional to 705,888.04, 1,059,029.72 and 285,459.16

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Solution

The fourth proportional to 705,888.04, 1,059,029.72 and 285,459.16 is: 428,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,888.04 : 1,059,029.72 = 285,459.16 : x
  2. Step 2: Convert to fraction form
    705,888.04/1,059,029.72 = 285,459.16/x
  3. Step 3: Cross multiply
    705,888.04x = 1,059,029.72 × 285,459.16
  4. Step 4: Simplify right side
    705,888.04x = 302,309,734,286.24
  5. Step 5: Solve for x
    x = 302,309,734,286.24/705,888.04
  6. Step 6: Final answer
    x = 428,268.67

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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.