Home / 762,905.70-1,145,014.65-337,096.80

Finding the Fourth Proportional to 762,905.70, 1,145,014.65 and 337,096.80

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Solution

The fourth proportional to 762,905.70, 1,145,014.65 and 337,096.80 is: 505,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,905.70 : 1,145,014.65 = 337,096.80 : x
  2. Step 2: Convert to fraction form
    762,905.70/1,145,014.65 = 337,096.80/x
  3. Step 3: Cross multiply
    762,905.70x = 1,145,014.65 × 337,096.80
  4. Step 4: Simplify right side
    762,905.70x = 385,980,774,468.12
  5. Step 5: Solve for x
    x = 385,980,774,468.12/762,905.70
  6. Step 6: Final answer
    x = 505,935.10

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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.