Home / 701,266.20-1,051,208.10-345,989.40

Finding the Fourth Proportional to 701,266.20, 1,051,208.10 and 345,989.40

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Solution

The fourth proportional to 701,266.20, 1,051,208.10 and 345,989.40 is: 518,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,266.20 : 1,051,208.10 = 345,989.40 : x
  2. Step 2: Convert to fraction form
    701,266.20/1,051,208.10 = 345,989.40/x
  3. Step 3: Cross multiply
    701,266.20x = 1,051,208.10 × 345,989.40
  4. Step 4: Simplify right side
    701,266.20x = 363,706,859,794.14
  5. Step 5: Solve for x
    x = 363,706,859,794.14/701,266.20
  6. Step 6: Final answer
    x = 518,643.08

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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.