Home / 447,120.52-670,870.32-210,457.96

Finding the Fourth Proportional to 447,120.52, 670,870.32 and 210,457.96

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Solution

The fourth proportional to 447,120.52, 670,870.32 and 210,457.96 is: 315,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,120.52 : 670,870.32 = 210,457.96 : x
  2. Step 2: Convert to fraction form
    447,120.52/670,870.32 = 210,457.96/x
  3. Step 3: Cross multiply
    447,120.52x = 670,870.32 × 210,457.96
  4. Step 4: Simplify right side
    447,120.52x = 141,189,998,971.75
  5. Step 5: Solve for x
    x = 141,189,998,971.75/447,120.52
  6. Step 6: Final answer
    x = 315,776.16

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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.