Home / 528,759.48-729,611.06-302,361.24

Finding the Fourth Proportional to 528,759.48, 729,611.06 and 302,361.24

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Solution

The fourth proportional to 528,759.48, 729,611.06 and 302,361.24 is: 417,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,759.48 : 729,611.06 = 302,361.24 : x
  2. Step 2: Convert to fraction form
    528,759.48/729,611.06 = 302,361.24/x
  3. Step 3: Cross multiply
    528,759.48x = 729,611.06 × 302,361.24
  4. Step 4: Simplify right side
    528,759.48x = 220,606,104,819.31
  5. Step 5: Solve for x
    x = 220,606,104,819.31/528,759.48
  6. Step 6: Final answer
    x = 417,214.47

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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.