Home / 810,162.70-1,118,047.08-447,609.94

Finding the Fourth Proportional to 810,162.70, 1,118,047.08 and 447,609.94

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Solution

The fourth proportional to 810,162.70, 1,118,047.08 and 447,609.94 is: 617,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,162.70 : 1,118,047.08 = 447,609.94 : x
  2. Step 2: Convert to fraction form
    810,162.70/1,118,047.08 = 447,609.94/x
  3. Step 3: Cross multiply
    810,162.70x = 1,118,047.08 × 447,609.94
  4. Step 4: Simplify right side
    810,162.70x = 500,448,986,395.98
  5. Step 5: Solve for x
    x = 500,448,986,395.98/810,162.70
  6. Step 6: Final answer
    x = 617,714.18

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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.