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Finding the Fourth Proportional to 653,018.60, 901,103.44 and 366,473

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Solution

The fourth proportional to 653,018.60, 901,103.44 and 366,473 is: 505,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,018.60 : 901,103.44 = 366,473 : x
  2. Step 2: Convert to fraction form
    653,018.60/901,103.44 = 366,473/x
  3. Step 3: Cross multiply
    653,018.60x = 901,103.44 × 366,473
  4. Step 4: Simplify right side
    653,018.60x = 330,230,080,967.12
  5. Step 5: Solve for x
    x = 330,230,080,967.12/653,018.60
  6. Step 6: Final answer
    x = 505,697.82

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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.