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Finding the Fourth Proportional to 507,770.67, 761,490.01 and 170,720.87

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Solution

The fourth proportional to 507,770.67, 761,490.01 and 170,720.87 is: 256,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,770.67 : 761,490.01 = 170,720.87 : x
  2. Step 2: Convert to fraction form
    507,770.67/761,490.01 = 170,720.87/x
  3. Step 3: Cross multiply
    507,770.67x = 761,490.01 × 170,720.87
  4. Step 4: Simplify right side
    507,770.67x = 130,002,233,409.46
  5. Step 5: Solve for x
    x = 130,002,233,409.46/507,770.67
  6. Step 6: Final answer
    x = 256,025.49

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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.