Home / 809,477.40-1,117,080.46-446,901.96

Finding the Fourth Proportional to 809,477.40, 1,117,080.46 and 446,901.96

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Solution

The fourth proportional to 809,477.40, 1,117,080.46 and 446,901.96 is: 616,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,477.40 : 1,117,080.46 = 446,901.96 : x
  2. Step 2: Convert to fraction form
    809,477.40/1,117,080.46 = 446,901.96/x
  3. Step 3: Cross multiply
    809,477.40x = 1,117,080.46 × 446,901.96
  4. Step 4: Simplify right side
    809,477.40x = 499,225,447,051.70
  5. Step 5: Solve for x
    x = 499,225,447,051.70/809,477.40
  6. Step 6: Final answer
    x = 616,725.61

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Double scale
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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.