Home / 889,150.79-1,333,785.54-312,704.91

Finding the Fourth Proportional to 889,150.79, 1,333,785.54 and 312,704.91

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Solution

The fourth proportional to 889,150.79, 1,333,785.54 and 312,704.91 is: 469,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,150.79 : 1,333,785.54 = 312,704.91 : x
  2. Step 2: Convert to fraction form
    889,150.79/1,333,785.54 = 312,704.91/x
  3. Step 3: Cross multiply
    889,150.79x = 1,333,785.54 × 312,704.91
  4. Step 4: Simplify right side
    889,150.79x = 417,081,287,245.00
  5. Step 5: Solve for x
    x = 417,081,287,245.00/889,150.79
  6. Step 6: Final answer
    x = 469,078.24

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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.