Home / 447,806.03-617,319.50-340,189.29

Finding the Fourth Proportional to 447,806.03, 617,319.50 and 340,189.29

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Solution

The fourth proportional to 447,806.03, 617,319.50 and 340,189.29 is: 468,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,806.03 : 617,319.50 = 340,189.29 : x
  2. Step 2: Convert to fraction form
    447,806.03/617,319.50 = 340,189.29/x
  3. Step 3: Cross multiply
    447,806.03x = 617,319.50 × 340,189.29
  4. Step 4: Simplify right side
    447,806.03x = 210,005,480,707.21
  5. Step 5: Solve for x
    x = 210,005,480,707.21/447,806.03
  6. Step 6: Final answer
    x = 468,965.29

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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.