Home / 648,821.34-895,243.59-362,297.34

Finding the Fourth Proportional to 648,821.34, 895,243.59 and 362,297.34

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Solution

The fourth proportional to 648,821.34, 895,243.59 and 362,297.34 is: 499,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,821.34 : 895,243.59 = 362,297.34 : x
  2. Step 2: Convert to fraction form
    648,821.34/895,243.59 = 362,297.34/x
  3. Step 3: Cross multiply
    648,821.34x = 895,243.59 × 362,297.34
  4. Step 4: Simplify right side
    648,821.34x = 324,344,371,309.05
  5. Step 5: Solve for x
    x = 324,344,371,309.05/648,821.34
  6. Step 6: Final answer
    x = 499,897.82

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Double scale
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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.