Home / 893,121.40-1,339,898.10-262,055.80

Finding the Fourth Proportional to 893,121.40, 1,339,898.10 and 262,055.80

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Solution

The fourth proportional to 893,121.40, 1,339,898.10 and 262,055.80 is: 393,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,121.40 : 1,339,898.10 = 262,055.80 : x
  2. Step 2: Convert to fraction form
    893,121.40/1,339,898.10 = 262,055.80/x
  3. Step 3: Cross multiply
    893,121.40x = 1,339,898.10 × 262,055.80
  4. Step 4: Simplify right side
    893,121.40x = 351,128,068,513.98
  5. Step 5: Solve for x
    x = 351,128,068,513.98/893,121.40
  6. Step 6: Final answer
    x = 393,147.08

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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.