Home / 770,629.29-1,155,657.20-265,048.35

Finding the Fourth Proportional to 770,629.29, 1,155,657.20 and 265,048.35

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Solution

The fourth proportional to 770,629.29, 1,155,657.20 and 265,048.35 is: 397,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,629.29 : 1,155,657.20 = 265,048.35 : x
  2. Step 2: Convert to fraction form
    770,629.29/1,155,657.20 = 265,048.35/x
  3. Step 3: Cross multiply
    770,629.29x = 1,155,657.20 × 265,048.35
  4. Step 4: Simplify right side
    770,629.29x = 306,305,032,700.38
  5. Step 5: Solve for x
    x = 306,305,032,700.38/770,629.29
  6. Step 6: Final answer
    x = 397,473.90

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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.