Home / 469,209.09-704,756.18-280,039.06

Finding the Fourth Proportional to 469,209.09, 704,756.18 and 280,039.06

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Solution

The fourth proportional to 469,209.09, 704,756.18 and 280,039.06 is: 420,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,209.09 : 704,756.18 = 280,039.06 : x
  2. Step 2: Convert to fraction form
    469,209.09/704,756.18 = 280,039.06/x
  3. Step 3: Cross multiply
    469,209.09x = 704,756.18 × 280,039.06
  4. Step 4: Simplify right side
    469,209.09x = 197,359,258,176.39
  5. Step 5: Solve for x
    x = 197,359,258,176.39/469,209.09
  6. Step 6: Final answer
    x = 420,621.13

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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.