Home / 648,660.46-895,206.78-362,235.90

Finding the Fourth Proportional to 648,660.46, 895,206.78 and 362,235.90

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Solution

The fourth proportional to 648,660.46, 895,206.78 and 362,235.90 is: 499,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,660.46 : 895,206.78 = 362,235.90 : x
  2. Step 2: Convert to fraction form
    648,660.46/895,206.78 = 362,235.90/x
  3. Step 3: Cross multiply
    648,660.46x = 895,206.78 × 362,235.90
  4. Step 4: Simplify right side
    648,660.46x = 324,276,033,639.40
  5. Step 5: Solve for x
    x = 324,276,033,639.40/648,660.46
  6. Step 6: Final answer
    x = 499,916.45

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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.