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Finding the Fourth Proportional to 646,652.72, 892,357.62 and 360,157.34

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Solution

The fourth proportional to 646,652.72, 892,357.62 and 360,157.34 is: 497,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,652.72 : 892,357.62 = 360,157.34 : x
  2. Step 2: Convert to fraction form
    646,652.72/892,357.62 = 360,157.34/x
  3. Step 3: Cross multiply
    646,652.72x = 892,357.62 × 360,157.34
  4. Step 4: Simplify right side
    646,652.72x = 321,389,146,747.93
  5. Step 5: Solve for x
    x = 321,389,146,747.93/646,652.72
  6. Step 6: Final answer
    x = 497,004.24

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1.5x scale

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.