Home / 947,026.32-1,420,749.36-273,055.02

Finding the Fourth Proportional to 947,026.32, 1,420,749.36 and 273,055.02

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Solution

The fourth proportional to 947,026.32, 1,420,749.36 and 273,055.02 is: 409,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,026.32 : 1,420,749.36 = 273,055.02 : x
  2. Step 2: Convert to fraction form
    947,026.32/1,420,749.36 = 273,055.02/x
  3. Step 3: Cross multiply
    947,026.32x = 1,420,749.36 × 273,055.02
  4. Step 4: Simplify right side
    947,026.32x = 387,942,744,909.79
  5. Step 5: Solve for x
    x = 387,942,744,909.79/947,026.32
  6. Step 6: Final answer
    x = 409,643.04

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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.