Home / 866,355.12-1,296,872.43-545,002.35

Finding the Fourth Proportional to 866,355.12, 1,296,872.43 and 545,002.35

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Solution

The fourth proportional to 866,355.12, 1,296,872.43 and 545,002.35 is: 815,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,355.12 : 1,296,872.43 = 545,002.35 : x
  2. Step 2: Convert to fraction form
    866,355.12/1,296,872.43 = 545,002.35/x
  3. Step 3: Cross multiply
    866,355.12x = 1,296,872.43 × 545,002.35
  4. Step 4: Simplify right side
    866,355.12x = 706,798,519,275.20
  5. Step 5: Solve for x
    x = 706,798,519,275.20/866,355.12
  6. Step 6: Final answer
    x = 815,830.03

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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.