Home / 886,898.58-1,329,506.22-287,438.50

Finding the Fourth Proportional to 886,898.58, 1,329,506.22 and 287,438.50

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Solution

The fourth proportional to 886,898.58, 1,329,506.22 and 287,438.50 is: 430,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,898.58 : 1,329,506.22 = 287,438.50 : x
  2. Step 2: Convert to fraction form
    886,898.58/1,329,506.22 = 287,438.50/x
  3. Step 3: Cross multiply
    886,898.58x = 1,329,506.22 × 287,438.50
  4. Step 4: Simplify right side
    886,898.58x = 382,151,273,617.47
  5. Step 5: Solve for x
    x = 382,151,273,617.47/886,898.58
  6. Step 6: Final answer
    x = 430,884.98

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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.