Home / 947,336.30-1,421,100.09-307,613.28

Finding the Fourth Proportional to 947,336.30, 1,421,100.09 and 307,613.28

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Solution

The fourth proportional to 947,336.30, 1,421,100.09 and 307,613.28 is: 461,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,336.30 : 1,421,100.09 = 307,613.28 : x
  2. Step 2: Convert to fraction form
    947,336.30/1,421,100.09 = 307,613.28/x
  3. Step 3: Cross multiply
    947,336.30x = 1,421,100.09 × 307,613.28
  4. Step 4: Simplify right side
    947,336.30x = 437,149,259,893.20
  5. Step 5: Solve for x
    x = 437,149,259,893.20/947,336.30
  6. Step 6: Final answer
    x = 461,450.98

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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.