Home / 852,935.02-1,279,845.32-347,866.54

Finding the Fourth Proportional to 852,935.02, 1,279,845.32 and 347,866.54

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Solution

The fourth proportional to 852,935.02, 1,279,845.32 and 347,866.54 is: 521,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,935.02 : 1,279,845.32 = 347,866.54 : x
  2. Step 2: Convert to fraction form
    852,935.02/1,279,845.32 = 347,866.54/x
  3. Step 3: Cross multiply
    852,935.02x = 1,279,845.32 × 347,866.54
  4. Step 4: Simplify right side
    852,935.02x = 445,215,358,264.65
  5. Step 5: Solve for x
    x = 445,215,358,264.65/852,935.02
  6. Step 6: Final answer
    x = 521,980.40

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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.