Home / 889,165.82-1,333,808.12-312,719.93

Finding the Fourth Proportional to 889,165.82, 1,333,808.12 and 312,719.93

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Solution

The fourth proportional to 889,165.82, 1,333,808.12 and 312,719.93 is: 469,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,165.82 : 1,333,808.12 = 312,719.93 : x
  2. Step 2: Convert to fraction form
    889,165.82/1,333,808.12 = 312,719.93/x
  3. Step 3: Cross multiply
    889,165.82x = 1,333,808.12 × 312,719.93
  4. Step 4: Simplify right side
    889,165.82x = 417,108,387,950.69
  5. Step 5: Solve for x
    x = 417,108,387,950.69/889,165.82
  6. Step 6: Final answer
    x = 469,100.79

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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.