Home / 479,918.44-719,965.14-240,157.72

Finding the Fourth Proportional to 479,918.44, 719,965.14 and 240,157.72

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Solution

The fourth proportional to 479,918.44, 719,965.14 and 240,157.72 is: 360,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,918.44 : 719,965.14 = 240,157.72 : x
  2. Step 2: Convert to fraction form
    479,918.44/719,965.14 = 240,157.72/x
  3. Step 3: Cross multiply
    479,918.44x = 719,965.14 × 240,157.72
  4. Step 4: Simplify right side
    479,918.44x = 172,905,186,501.88
  5. Step 5: Solve for x
    x = 172,905,186,501.88/479,918.44
  6. Step 6: Final answer
    x = 360,280.36

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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.