Home / 715,637.09-1,073,289.49-210,062.30

Finding the Fourth Proportional to 715,637.09, 1,073,289.49 and 210,062.30

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Solution

The fourth proportional to 715,637.09, 1,073,289.49 and 210,062.30 is: 315,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,637.09 : 1,073,289.49 = 210,062.30 : x
  2. Step 2: Convert to fraction form
    715,637.09/1,073,289.49 = 210,062.30/x
  3. Step 3: Cross multiply
    715,637.09x = 1,073,289.49 × 210,062.30
  4. Step 4: Simplify right side
    715,637.09x = 225,457,652,943.62
  5. Step 5: Solve for x
    x = 225,457,652,943.62/715,637.09
  6. Step 6: Final answer
    x = 315,044.67

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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.