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Finding the Fourth Proportional to 508,507.54, 763,952.34 and 479,782.21

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Solution

The fourth proportional to 508,507.54, 763,952.34 and 479,782.21 is: 720,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,507.54 : 763,952.34 = 479,782.21 : x
  2. Step 2: Convert to fraction form
    508,507.54/763,952.34 = 479,782.21/x
  3. Step 3: Cross multiply
    508,507.54x = 763,952.34 × 479,782.21
  4. Step 4: Simplify right side
    508,507.54x = 366,530,742,019.87
  5. Step 5: Solve for x
    x = 366,530,742,019.87/508,507.54
  6. Step 6: Final answer
    x = 720,797.06

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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.