Home / 843,643.20-1,164,244.32-461,668.80

Finding the Fourth Proportional to 843,643.20, 1,164,244.32 and 461,668.80

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Solution

The fourth proportional to 843,643.20, 1,164,244.32 and 461,668.80 is: 637,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,643.20 : 1,164,244.32 = 461,668.80 : x
  2. Step 2: Convert to fraction form
    843,643.20/1,164,244.32 = 461,668.80/x
  3. Step 3: Cross multiply
    843,643.20x = 1,164,244.32 × 461,668.80
  4. Step 4: Simplify right side
    843,643.20x = 537,495,278,121.22
  5. Step 5: Solve for x
    x = 537,495,278,121.22/843,643.20
  6. Step 6: Final answer
    x = 637,112.08

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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.