Home / 666,629.84-919,942.57-360,699.46

Finding the Fourth Proportional to 666,629.84, 919,942.57 and 360,699.46

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Solution

The fourth proportional to 666,629.84, 919,942.57 and 360,699.46 is: 497,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,629.84 : 919,942.57 = 360,699.46 : x
  2. Step 2: Convert to fraction form
    666,629.84/919,942.57 = 360,699.46/x
  3. Step 3: Cross multiply
    666,629.84x = 919,942.57 × 360,699.46
  4. Step 4: Simplify right side
    666,629.84x = 331,822,788,230.01
  5. Step 5: Solve for x
    x = 331,822,788,230.01/666,629.84
  6. Step 6: Final answer
    x = 497,761.68

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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.