Home / 759,322.83-1,139,004.69-332,639.13

Finding the Fourth Proportional to 759,322.83, 1,139,004.69 and 332,639.13

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Solution

The fourth proportional to 759,322.83, 1,139,004.69 and 332,639.13 is: 498,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,322.83 : 1,139,004.69 = 332,639.13 : x
  2. Step 2: Convert to fraction form
    759,322.83/1,139,004.69 = 332,639.13/x
  3. Step 3: Cross multiply
    759,322.83x = 1,139,004.69 × 332,639.13
  4. Step 4: Simplify right side
    759,322.83x = 378,877,529,147.52
  5. Step 5: Solve for x
    x = 378,877,529,147.52/759,322.83
  6. Step 6: Final answer
    x = 498,967.65

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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.