Home / 727,999.20-1,091,998.80-550,852.20

Finding the Fourth Proportional to 727,999.20, 1,091,998.80 and 550,852.20

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Solution

The fourth proportional to 727,999.20, 1,091,998.80 and 550,852.20 is: 826,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,999.20 : 1,091,998.80 = 550,852.20 : x
  2. Step 2: Convert to fraction form
    727,999.20/1,091,998.80 = 550,852.20/x
  3. Step 3: Cross multiply
    727,999.20x = 1,091,998.80 × 550,852.20
  4. Step 4: Simplify right side
    727,999.20x = 601,529,941,377.36
  5. Step 5: Solve for x
    x = 601,529,941,377.36/727,999.20
  6. Step 6: Final answer
    x = 826,278.30

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1.5x scale

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.