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Finding the Fourth Proportional to 648,742.80, 895,266.36 and 362,262

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Solution

The fourth proportional to 648,742.80, 895,266.36 and 362,262 is: 499,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,742.80 : 895,266.36 = 362,262 : x
  2. Step 2: Convert to fraction form
    648,742.80/895,266.36 = 362,262/x
  3. Step 3: Cross multiply
    648,742.80x = 895,266.36 × 362,262
  4. Step 4: Simplify right side
    648,742.80x = 324,320,982,106.32
  5. Step 5: Solve for x
    x = 324,320,982,106.32/648,742.80
  6. Step 6: Final answer
    x = 499,922.28

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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.