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Finding the Fourth Proportional to 888,360, 1,225,956.48 and 485,952

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Solution

The fourth proportional to 888,360, 1,225,956.48 and 485,952 is: 670,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,360 : 1,225,956.48 = 485,952 : x
  2. Step 2: Convert to fraction form
    888,360/1,225,956.48 = 485,952/x
  3. Step 3: Cross multiply
    888,360x = 1,225,956.48 × 485,952
  4. Step 4: Simplify right side
    888,360x = 595,756,003,368.96
  5. Step 5: Solve for x
    x = 595,756,003,368.96/888,360
  6. Step 6: Final answer
    x = 670,624.53

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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.