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Finding the Fourth Proportional to 616,015.40, 924,152.70 and 260,846.60

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Solution

The fourth proportional to 616,015.40, 924,152.70 and 260,846.60 is: 391,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,015.40 : 924,152.70 = 260,846.60 : x
  2. Step 2: Convert to fraction form
    616,015.40/924,152.70 = 260,846.60/x
  3. Step 3: Cross multiply
    616,015.40x = 924,152.70 × 260,846.60
  4. Step 4: Simplify right side
    616,015.40x = 241,062,089,675.82
  5. Step 5: Solve for x
    x = 241,062,089,675.82/616,015.40
  6. Step 6: Final answer
    x = 391,324.78

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1.5x scale

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.