Home / 816,009.70-1,223,172.15-366,945.70

Finding the Fourth Proportional to 816,009.70, 1,223,172.15 and 366,945.70

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Solution

The fourth proportional to 816,009.70, 1,223,172.15 and 366,945.70 is: 550,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,009.70 : 1,223,172.15 = 366,945.70 : x
  2. Step 2: Convert to fraction form
    816,009.70/1,223,172.15 = 366,945.70/x
  3. Step 3: Cross multiply
    816,009.70x = 1,223,172.15 × 366,945.70
  4. Step 4: Simplify right side
    816,009.70x = 448,837,760,802.26
  5. Step 5: Solve for x
    x = 448,837,760,802.26/816,009.70
  6. Step 6: Final answer
    x = 550,039.74

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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.