Home / 947,256.35-1,420,549.99-273,155.72

Finding the Fourth Proportional to 947,256.35, 1,420,549.99 and 273,155.72

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Solution

The fourth proportional to 947,256.35, 1,420,549.99 and 273,155.72 is: 409,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,256.35 : 1,420,549.99 = 273,155.72 : x
  2. Step 2: Convert to fraction form
    947,256.35/1,420,549.99 = 273,155.72/x
  3. Step 3: Cross multiply
    947,256.35x = 1,420,549.99 × 273,155.72
  4. Step 4: Simplify right side
    947,256.35x = 388,031,347,528.80
  5. Step 5: Solve for x
    x = 388,031,347,528.80/947,256.35
  6. Step 6: Final answer
    x = 409,637.11

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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.