Home / 895,782.38-1,236,179.69-493,374.38

Finding the Fourth Proportional to 895,782.38, 1,236,179.69 and 493,374.38

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Solution

The fourth proportional to 895,782.38, 1,236,179.69 and 493,374.38 is: 680,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,782.38 : 1,236,179.69 = 493,374.38 : x
  2. Step 2: Convert to fraction form
    895,782.38/1,236,179.69 = 493,374.38/x
  3. Step 3: Cross multiply
    895,782.38x = 1,236,179.69 × 493,374.38
  4. Step 4: Simplify right side
    895,782.38x = 609,899,379,474.57
  5. Step 5: Solve for x
    x = 609,899,379,474.57/895,782.38
  6. Step 6: Final answer
    x = 680,856.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.