Home / 908,777.12-1,254,120.04-500,879.98

Finding the Fourth Proportional to 908,777.12, 1,254,120.04 and 500,879.98

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Solution

The fourth proportional to 908,777.12, 1,254,120.04 and 500,879.98 is: 691,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,777.12 : 1,254,120.04 = 500,879.98 : x
  2. Step 2: Convert to fraction form
    908,777.12/1,254,120.04 = 500,879.98/x
  3. Step 3: Cross multiply
    908,777.12x = 1,254,120.04 × 500,879.98
  4. Step 4: Simplify right side
    908,777.12x = 628,163,620,552.80
  5. Step 5: Solve for x
    x = 628,163,620,552.80/908,777.12
  6. Step 6: Final answer
    x = 691,218.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.