Home / 895,883.78-1,236,282.81-487,977.50

Finding the Fourth Proportional to 895,883.78, 1,236,282.81 and 487,977.50

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Solution

The fourth proportional to 895,883.78, 1,236,282.81 and 487,977.50 is: 673,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,883.78 : 1,236,282.81 = 487,977.50 : x
  2. Step 2: Convert to fraction form
    895,883.78/1,236,282.81 = 487,977.50/x
  3. Step 3: Cross multiply
    895,883.78x = 1,236,282.81 × 487,977.50
  4. Step 4: Simplify right side
    895,883.78x = 603,278,194,916.78
  5. Step 5: Solve for x
    x = 603,278,194,916.78/895,883.78
  6. Step 6: Final answer
    x = 673,388.90

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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.