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Finding the Fourth Proportional to 601,620.59, 830,157.48 and 359,814.93

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Solution

The fourth proportional to 601,620.59, 830,157.48 and 359,814.93 is: 496,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,620.59 : 830,157.48 = 359,814.93 : x
  2. Step 2: Convert to fraction form
    601,620.59/830,157.48 = 359,814.93/x
  3. Step 3: Cross multiply
    601,620.59x = 830,157.48 × 359,814.93
  4. Step 4: Simplify right side
    601,620.59x = 298,703,055,555.18
  5. Step 5: Solve for x
    x = 298,703,055,555.18/601,620.59
  6. Step 6: Final answer
    x = 496,497.40

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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.