Home / 947,218.17-1,420,922.94-307,495.16

Finding the Fourth Proportional to 947,218.17, 1,420,922.94 and 307,495.16

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Solution

The fourth proportional to 947,218.17, 1,420,922.94 and 307,495.16 is: 461,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,218.17 : 1,420,922.94 = 307,495.16 : x
  2. Step 2: Convert to fraction form
    947,218.17/1,420,922.94 = 307,495.16/x
  3. Step 3: Cross multiply
    947,218.17x = 1,420,922.94 × 307,495.16
  4. Step 4: Simplify right side
    947,218.17x = 436,926,926,782.97
  5. Step 5: Solve for x
    x = 436,926,926,782.97/947,218.17
  6. Step 6: Final answer
    x = 461,273.80

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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.