Home / 822,880.62-1,133,051.90-720,332.19

Finding the Fourth Proportional to 822,880.62, 1,133,051.90 and 720,332.19

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Solution

The fourth proportional to 822,880.62, 1,133,051.90 and 720,332.19 is: 991,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,880.62 : 1,133,051.90 = 720,332.19 : x
  2. Step 2: Convert to fraction form
    822,880.62/1,133,051.90 = 720,332.19/x
  3. Step 3: Cross multiply
    822,880.62x = 1,133,051.90 × 720,332.19
  4. Step 4: Simplify right side
    822,880.62x = 816,173,752,909
  5. Step 5: Solve for x
    x = 816,173,752,909/822,880.62
  6. Step 6: Final answer
    x = 991,849.53

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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.