Home / 908,879.97-1,254,263.13-500,997.54

Finding the Fourth Proportional to 908,879.97, 1,254,263.13 and 500,997.54

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Solution

The fourth proportional to 908,879.97, 1,254,263.13 and 500,997.54 is: 691,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,879.97 : 1,254,263.13 = 500,997.54 : x
  2. Step 2: Convert to fraction form
    908,879.97/1,254,263.13 = 500,997.54/x
  3. Step 3: Cross multiply
    908,879.97x = 1,254,263.13 × 500,997.54
  4. Step 4: Simplify right side
    908,879.97x = 628,382,742,642.70
  5. Step 5: Solve for x
    x = 628,382,742,642.70/908,879.97
  6. Step 6: Final answer
    x = 691,381.44

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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.