Home / 947,833.20-1,421,749.80-316,747.01

Finding the Fourth Proportional to 947,833.20, 1,421,749.80 and 316,747.01

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Solution

The fourth proportional to 947,833.20, 1,421,749.80 and 316,747.01 is: 475,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,833.20 : 1,421,749.80 = 316,747.01 : x
  2. Step 2: Convert to fraction form
    947,833.20/1,421,749.80 = 316,747.01/x
  3. Step 3: Cross multiply
    947,833.20x = 1,421,749.80 × 316,747.01
  4. Step 4: Simplify right side
    947,833.20x = 450,334,991,009.35
  5. Step 5: Solve for x
    x = 450,334,991,009.35/947,833.20
  6. Step 6: Final answer
    x = 475,120.51

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Similar ratio
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1.5x scale

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.