Home / 822,960.26-1,133,161.71-720,411.83

Finding the Fourth Proportional to 822,960.26, 1,133,161.71 and 720,411.83

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Solution

The fourth proportional to 822,960.26, 1,133,161.71 and 720,411.83 is: 991,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,960.26 : 1,133,161.71 = 720,411.83 : x
  2. Step 2: Convert to fraction form
    822,960.26/1,133,161.71 = 720,411.83/x
  3. Step 3: Cross multiply
    822,960.26x = 1,133,161.71 × 720,411.83
  4. Step 4: Simplify right side
    822,960.26x = 816,343,095,521.22
  5. Step 5: Solve for x
    x = 816,343,095,521.22/822,960.26
  6. Step 6: Final answer
    x = 991,959.32

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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.