Home / 666,628.64-919,944.98-360,705.62

Finding the Fourth Proportional to 666,628.64, 919,944.98 and 360,705.62

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Solution

The fourth proportional to 666,628.64, 919,944.98 and 360,705.62 is: 497,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,628.64 : 919,944.98 = 360,705.62 : x
  2. Step 2: Convert to fraction form
    666,628.64/919,944.98 = 360,705.62/x
  3. Step 3: Cross multiply
    666,628.64x = 919,944.98 × 360,705.62
  4. Step 4: Simplify right side
    666,628.64x = 331,829,323,080.05
  5. Step 5: Solve for x
    x = 331,829,323,080.05/666,628.64
  6. Step 6: Final answer
    x = 497,772.37

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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.