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Finding the Fourth Proportional to 615,938, 849,994.44 and 333,314

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Solution

The fourth proportional to 615,938, 849,994.44 and 333,314 is: 459,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,938 : 849,994.44 = 333,314 : x
  2. Step 2: Convert to fraction form
    615,938/849,994.44 = 333,314/x
  3. Step 3: Cross multiply
    615,938x = 849,994.44 × 333,314
  4. Step 4: Simplify right side
    615,938x = 283,315,046,774.16
  5. Step 5: Solve for x
    x = 283,315,046,774.16/615,938
  6. Step 6: Final answer
    x = 459,973.32

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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.