Home / 539,112.68-743,746.02-395,623.40

Finding the Fourth Proportional to 539,112.68, 743,746.02 and 395,623.40

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Solution

The fourth proportional to 539,112.68, 743,746.02 and 395,623.40 is: 545,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,112.68 : 743,746.02 = 395,623.40 : x
  2. Step 2: Convert to fraction form
    539,112.68/743,746.02 = 395,623.40/x
  3. Step 3: Cross multiply
    539,112.68x = 743,746.02 × 395,623.40
  4. Step 4: Simplify right side
    539,112.68x = 294,243,329,168.87
  5. Step 5: Solve for x
    x = 294,243,329,168.87/539,112.68
  6. Step 6: Final answer
    x = 545,791.89

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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.