Home / 737,285.58-1,104,156.90-420,782.94

Finding the Fourth Proportional to 737,285.58, 1,104,156.90 and 420,782.94

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Solution

The fourth proportional to 737,285.58, 1,104,156.90 and 420,782.94 is: 630,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,285.58 : 1,104,156.90 = 420,782.94 : x
  2. Step 2: Convert to fraction form
    737,285.58/1,104,156.90 = 420,782.94/x
  3. Step 3: Cross multiply
    737,285.58x = 1,104,156.90 × 420,782.94
  4. Step 4: Simplify right side
    737,285.58x = 464,610,386,603.29
  5. Step 5: Solve for x
    x = 464,610,386,603.29/737,285.58
  6. Step 6: Final answer
    x = 630,163.40

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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.