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Finding the Fourth Proportional to 545,897.75, 753,328.71 and 304,175.16

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Solution

The fourth proportional to 545,897.75, 753,328.71 and 304,175.16 is: 419,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,897.75 : 753,328.71 = 304,175.16 : x
  2. Step 2: Convert to fraction form
    545,897.75/753,328.71 = 304,175.16/x
  3. Step 3: Cross multiply
    545,897.75x = 753,328.71 × 304,175.16
  4. Step 4: Simplify right side
    545,897.75x = 229,143,880,896.84
  5. Step 5: Solve for x
    x = 229,143,880,896.84/545,897.75
  6. Step 6: Final answer
    x = 419,756.05

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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.