Home / 828,292.63-1,143,045.74-465,719.62

Finding the Fourth Proportional to 828,292.63, 1,143,045.74 and 465,719.62

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Solution

The fourth proportional to 828,292.63, 1,143,045.74 and 465,719.62 is: 642,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,292.63 : 1,143,045.74 = 465,719.62 : x
  2. Step 2: Convert to fraction form
    828,292.63/1,143,045.74 = 465,719.62/x
  3. Step 3: Cross multiply
    828,292.63x = 1,143,045.74 × 465,719.62
  4. Step 4: Simplify right side
    828,292.63x = 532,338,821,960.19
  5. Step 5: Solve for x
    x = 532,338,821,960.19/828,292.63
  6. Step 6: Final answer
    x = 642,694.15

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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.