Home / 768,632.54-1,153,648.45-409,105.23

Finding the Fourth Proportional to 768,632.54, 1,153,648.45 and 409,105.23

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Solution

The fourth proportional to 768,632.54, 1,153,648.45 and 409,105.23 is: 614,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,632.54 : 1,153,648.45 = 409,105.23 : x
  2. Step 2: Convert to fraction form
    768,632.54/1,153,648.45 = 409,105.23/x
  3. Step 3: Cross multiply
    768,632.54x = 1,153,648.45 × 409,105.23
  4. Step 4: Simplify right side
    768,632.54x = 471,963,608,708.15
  5. Step 5: Solve for x
    x = 471,963,608,708.15/768,632.54
  6. Step 6: Final answer
    x = 614,030.23

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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.