Home / 893,500.78-1,340,417.19-294,503.98

Finding the Fourth Proportional to 893,500.78, 1,340,417.19 and 294,503.98

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Solution

The fourth proportional to 893,500.78, 1,340,417.19 and 294,503.98 is: 441,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,500.78 : 1,340,417.19 = 294,503.98 : x
  2. Step 2: Convert to fraction form
    893,500.78/1,340,417.19 = 294,503.98/x
  3. Step 3: Cross multiply
    893,500.78x = 1,340,417.19 × 294,503.98
  4. Step 4: Simplify right side
    893,500.78x = 394,758,197,315.42
  5. Step 5: Solve for x
    x = 394,758,197,315.42/893,500.78
  6. Step 6: Final answer
    x = 441,810.69

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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.