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Finding the Fourth Proportional to 553,988.52, 830,224.62 and 300,938.04

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Solution

The fourth proportional to 553,988.52, 830,224.62 and 300,938.04 is: 450,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,988.52 : 830,224.62 = 300,938.04 : x
  2. Step 2: Convert to fraction form
    553,988.52/830,224.62 = 300,938.04/x
  3. Step 3: Cross multiply
    553,988.52x = 830,224.62 × 300,938.04
  4. Step 4: Simplify right side
    553,988.52x = 249,846,169,902.55
  5. Step 5: Solve for x
    x = 249,846,169,902.55/553,988.52
  6. Step 6: Final answer
    x = 450,995.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.