Home / 840,075.88-1,260,240.18-271,266.34

Finding the Fourth Proportional to 840,075.88, 1,260,240.18 and 271,266.34

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Solution

The fourth proportional to 840,075.88, 1,260,240.18 and 271,266.34 is: 406,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,075.88 : 1,260,240.18 = 271,266.34 : x
  2. Step 2: Convert to fraction form
    840,075.88/1,260,240.18 = 271,266.34/x
  3. Step 3: Cross multiply
    840,075.88x = 1,260,240.18 × 271,266.34
  4. Step 4: Simplify right side
    840,075.88x = 341,860,733,492.01
  5. Step 5: Solve for x
    x = 341,860,733,492.01/840,075.88
  6. Step 6: Final answer
    x = 406,940.31

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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.