Home / 511,078.04-765,769.57-310,792.58

Finding the Fourth Proportional to 511,078.04, 765,769.57 and 310,792.58

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Solution

The fourth proportional to 511,078.04, 765,769.57 and 310,792.58 is: 465,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,078.04 : 765,769.57 = 310,792.58 : x
  2. Step 2: Convert to fraction form
    511,078.04/765,769.57 = 310,792.58/x
  3. Step 3: Cross multiply
    511,078.04x = 765,769.57 × 310,792.58
  4. Step 4: Simplify right side
    511,078.04x = 237,995,500,345.79
  5. Step 5: Solve for x
    x = 237,995,500,345.79/511,078.04
  6. Step 6: Final answer
    x = 465,673.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.