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Finding the Fourth Proportional to 528,593.20, 729,494.52 and 299,150.16

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Solution

The fourth proportional to 528,593.20, 729,494.52 and 299,150.16 is: 412,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,593.20 : 729,494.52 = 299,150.16 : x
  2. Step 2: Convert to fraction form
    528,593.20/729,494.52 = 299,150.16/x
  3. Step 3: Cross multiply
    528,593.20x = 729,494.52 × 299,150.16
  4. Step 4: Simplify right side
    528,593.20x = 218,228,402,377.12
  5. Step 5: Solve for x
    x = 218,228,402,377.12/528,593.20
  6. Step 6: Final answer
    x = 412,847.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.