Home / 790,629.76-1,090,626.42-468,025.48

Finding the Fourth Proportional to 790,629.76, 1,090,626.42 and 468,025.48

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Solution

The fourth proportional to 790,629.76, 1,090,626.42 and 468,025.48 is: 645,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,629.76 : 1,090,626.42 = 468,025.48 : x
  2. Step 2: Convert to fraction form
    790,629.76/1,090,626.42 = 468,025.48/x
  3. Step 3: Cross multiply
    790,629.76x = 1,090,626.42 × 468,025.48
  4. Step 4: Simplify right side
    790,629.76x = 510,440,953,721.18
  5. Step 5: Solve for x
    x = 510,440,953,721.18/790,629.76
  6. Step 6: Final answer
    x = 645,613.13

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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.