Home / 727,767.20-1,091,650.80-462,702.80

Finding the Fourth Proportional to 727,767.20, 1,091,650.80 and 462,702.80

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Solution

The fourth proportional to 727,767.20, 1,091,650.80 and 462,702.80 is: 694,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,767.20 : 1,091,650.80 = 462,702.80 : x
  2. Step 2: Convert to fraction form
    727,767.20/1,091,650.80 = 462,702.80/x
  3. Step 3: Cross multiply
    727,767.20x = 1,091,650.80 × 462,702.80
  4. Step 4: Simplify right side
    727,767.20x = 505,109,881,782.24
  5. Step 5: Solve for x
    x = 505,109,881,782.24/727,767.20
  6. Step 6: Final answer
    x = 694,054.20

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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.