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Finding the Fourth Proportional to 616,029.40, 924,173.70 and 260,860.60

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Solution

The fourth proportional to 616,029.40, 924,173.70 and 260,860.60 is: 391,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,029.40 : 924,173.70 = 260,860.60 : x
  2. Step 2: Convert to fraction form
    616,029.40/924,173.70 = 260,860.60/x
  3. Step 3: Cross multiply
    616,029.40x = 924,173.70 × 260,860.60
  4. Step 4: Simplify right side
    616,029.40x = 241,080,505,886.22
  5. Step 5: Solve for x
    x = 241,080,505,886.22/616,029.40
  6. Step 6: Final answer
    x = 391,345.78

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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.