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Finding the Fourth Proportional to 612,022.60, 917,774.70 and 296,576.20

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Solution

The fourth proportional to 612,022.60, 917,774.70 and 296,576.20 is: 444,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,022.60 : 917,774.70 = 296,576.20 : x
  2. Step 2: Convert to fraction form
    612,022.60/917,774.70 = 296,576.20/x
  3. Step 3: Cross multiply
    612,022.60x = 917,774.70 × 296,576.20
  4. Step 4: Simplify right side
    612,022.60x = 272,190,132,982.14
  5. Step 5: Solve for x
    x = 272,190,132,982.14/612,022.60
  6. Step 6: Final answer
    x = 444,738.70

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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.