Home / 999,216-1,378,918.08-546,507

Finding the Fourth Proportional to 999,216, 1,378,918.08 and 546,507

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Solution

The fourth proportional to 999,216, 1,378,918.08 and 546,507 is: 754,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,216 : 1,378,918.08 = 546,507 : x
  2. Step 2: Convert to fraction form
    999,216/1,378,918.08 = 546,507/x
  3. Step 3: Cross multiply
    999,216x = 1,378,918.08 × 546,507
  4. Step 4: Simplify right side
    999,216x = 753,588,383,146.56
  5. Step 5: Solve for x
    x = 753,588,383,146.56/999,216
  6. Step 6: Final answer
    x = 754,179.66

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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.