Home / 889,423.15-1,334,171.64-258,336.96

Finding the Fourth Proportional to 889,423.15, 1,334,171.64 and 258,336.96

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Solution

The fourth proportional to 889,423.15, 1,334,171.64 and 258,336.96 is: 387,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,423.15 : 1,334,171.64 = 258,336.96 : x
  2. Step 2: Convert to fraction form
    889,423.15/1,334,171.64 = 258,336.96/x
  3. Step 3: Cross multiply
    889,423.15x = 1,334,171.64 × 258,336.96
  4. Step 4: Simplify right side
    889,423.15x = 344,665,845,595.81
  5. Step 5: Solve for x
    x = 344,665,845,595.81/889,423.15
  6. Step 6: Final answer
    x = 387,516.16

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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.