Home / 545,918.84-753,360.28-304,211.60

Finding the Fourth Proportional to 545,918.84, 753,360.28 and 304,211.60

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Solution

The fourth proportional to 545,918.84, 753,360.28 and 304,211.60 is: 419,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,918.84 : 753,360.28 = 304,211.60 : x
  2. Step 2: Convert to fraction form
    545,918.84/753,360.28 = 304,211.60/x
  3. Step 3: Cross multiply
    545,918.84x = 753,360.28 × 304,211.60
  4. Step 4: Simplify right side
    545,918.84x = 229,180,936,155.25
  5. Step 5: Solve for x
    x = 229,180,936,155.25/545,918.84
  6. Step 6: Final answer
    x = 419,807.71

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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.