Home / 842,762.24-1,264,318.32-281,782.16

Finding the Fourth Proportional to 842,762.24, 1,264,318.32 and 281,782.16

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Solution

The fourth proportional to 842,762.24, 1,264,318.32 and 281,782.16 is: 422,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,762.24 : 1,264,318.32 = 281,782.16 : x
  2. Step 2: Convert to fraction form
    842,762.24/1,264,318.32 = 281,782.16/x
  3. Step 3: Cross multiply
    842,762.24x = 1,264,318.32 × 281,782.16
  4. Step 4: Simplify right side
    842,762.24x = 356,262,343,271.92
  5. Step 5: Solve for x
    x = 356,262,343,271.92/842,762.24
  6. Step 6: Final answer
    x = 422,731.74

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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.