Home / 666,631.96-919,955.10-364,825.24

Finding the Fourth Proportional to 666,631.96, 919,955.10 and 364,825.24

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Solution

The fourth proportional to 666,631.96, 919,955.10 and 364,825.24 is: 503,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,631.96 : 919,955.10 = 364,825.24 : x
  2. Step 2: Convert to fraction form
    666,631.96/919,955.10 = 364,825.24/x
  3. Step 3: Cross multiply
    666,631.96x = 919,955.10 × 364,825.24
  4. Step 4: Simplify right side
    666,631.96x = 335,622,840,146.72
  5. Step 5: Solve for x
    x = 335,622,840,146.72/666,631.96
  6. Step 6: Final answer
    x = 503,460.47

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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.