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Finding the Fourth Proportional to 450,783, 622,080.54 and 249,579

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Solution

The fourth proportional to 450,783, 622,080.54 and 249,579 is: 344,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,783 : 622,080.54 = 249,579 : x
  2. Step 2: Convert to fraction form
    450,783/622,080.54 = 249,579/x
  3. Step 3: Cross multiply
    450,783x = 622,080.54 × 249,579
  4. Step 4: Simplify right side
    450,783x = 155,258,239,092.66
  5. Step 5: Solve for x
    x = 155,258,239,092.66/450,783
  6. Step 6: Final answer
    x = 344,419.02

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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.