Home / 440,362.32-660,081.68-215,412.24

Finding the Fourth Proportional to 440,362.32, 660,081.68 and 215,412.24

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Solution

The fourth proportional to 440,362.32, 660,081.68 and 215,412.24 is: 322,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,362.32 : 660,081.68 = 215,412.24 : x
  2. Step 2: Convert to fraction form
    440,362.32/660,081.68 = 215,412.24/x
  3. Step 3: Cross multiply
    440,362.32x = 660,081.68 × 215,412.24
  4. Step 4: Simplify right side
    440,362.32x = 142,189,673,271.76
  5. Step 5: Solve for x
    x = 142,189,673,271.76/440,362.32
  6. Step 6: Final answer
    x = 322,892.46

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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.