Home / 488,928.90-733,825.35-288,999.30

Finding the Fourth Proportional to 488,928.90, 733,825.35 and 288,999.30

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Solution

The fourth proportional to 488,928.90, 733,825.35 and 288,999.30 is: 433,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,928.90 : 733,825.35 = 288,999.30 : x
  2. Step 2: Convert to fraction form
    488,928.90/733,825.35 = 288,999.30/x
  3. Step 3: Cross multiply
    488,928.90x = 733,825.35 × 288,999.30
  4. Step 4: Simplify right side
    488,928.90x = 212,075,012,472.26
  5. Step 5: Solve for x
    x = 212,075,012,472.26/488,928.90
  6. Step 6: Final answer
    x = 433,754.30

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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.