Home / 749,217-1,123,826.64-305,985

Finding the Fourth Proportional to 749,217, 1,123,826.64 and 305,985

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Solution

The fourth proportional to 749,217, 1,123,826.64 and 305,985 is: 458,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,217 : 1,123,826.64 = 305,985 : x
  2. Step 2: Convert to fraction form
    749,217/1,123,826.64 = 305,985/x
  3. Step 3: Cross multiply
    749,217x = 1,123,826.64 × 305,985
  4. Step 4: Simplify right side
    749,217x = 343,874,094,440.40
  5. Step 5: Solve for x
    x = 343,874,094,440.40/749,217
  6. Step 6: Final answer
    x = 458,977.97

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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.