Home / 440,742.24-608,221.44-239,538.24

Finding the Fourth Proportional to 440,742.24, 608,221.44 and 239,538.24

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Solution

The fourth proportional to 440,742.24, 608,221.44 and 239,538.24 is: 330,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,742.24 : 608,221.44 = 239,538.24 : x
  2. Step 2: Convert to fraction form
    440,742.24/608,221.44 = 239,538.24/x
  3. Step 3: Cross multiply
    440,742.24x = 608,221.44 × 239,538.24
  4. Step 4: Simplify right side
    440,742.24x = 145,692,293,267.87
  5. Step 5: Solve for x
    x = 145,692,293,267.87/440,742.24
  6. Step 6: Final answer
    x = 330,561.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.