Home / 889,151.29-1,333,786.29-312,705.41

Finding the Fourth Proportional to 889,151.29, 1,333,786.29 and 312,705.41

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Solution

The fourth proportional to 889,151.29, 1,333,786.29 and 312,705.41 is: 469,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,151.29 : 1,333,786.29 = 312,705.41 : x
  2. Step 2: Convert to fraction form
    889,151.29/1,333,786.29 = 312,705.41/x
  3. Step 3: Cross multiply
    889,151.29x = 1,333,786.29 × 312,705.41
  4. Step 4: Simplify right side
    889,151.29x = 417,082,188,666.83
  5. Step 5: Solve for x
    x = 417,082,188,666.83/889,151.29
  6. Step 6: Final answer
    x = 469,078.99

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1.5x scale

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.