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Finding the Fourth Proportional to 666,304.74, 919,500.44 and 360,381.03

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Solution

The fourth proportional to 666,304.74, 919,500.44 and 360,381.03 is: 497,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,304.74 : 919,500.44 = 360,381.03 : x
  2. Step 2: Convert to fraction form
    666,304.74/919,500.44 = 360,381.03/x
  3. Step 3: Cross multiply
    666,304.74x = 919,500.44 × 360,381.03
  4. Step 4: Simplify right side
    666,304.74x = 331,370,513,850.75
  5. Step 5: Solve for x
    x = 331,370,513,850.75/666,304.74
  6. Step 6: Final answer
    x = 497,325.76

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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.