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Finding the Fourth Proportional to 488,886.80, 732,455.40 and 301,679.60

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Solution

The fourth proportional to 488,886.80, 732,455.40 and 301,679.60 is: 451,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,886.80 : 732,455.40 = 301,679.60 : x
  2. Step 2: Convert to fraction form
    488,886.80/732,455.40 = 301,679.60/x
  3. Step 3: Cross multiply
    488,886.80x = 732,455.40 × 301,679.60
  4. Step 4: Simplify right side
    488,886.80x = 220,966,852,089.84
  5. Step 5: Solve for x
    x = 220,966,852,089.84/488,886.80
  6. Step 6: Final answer
    x = 451,979.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.