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Finding the Fourth Proportional to 539,038.88, 743,860.61 and 297,316.26

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Solution

The fourth proportional to 539,038.88, 743,860.61 and 297,316.26 is: 410,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,038.88 : 743,860.61 = 297,316.26 : x
  2. Step 2: Convert to fraction form
    539,038.88/743,860.61 = 297,316.26/x
  3. Step 3: Cross multiply
    539,038.88x = 743,860.61 × 297,316.26
  4. Step 4: Simplify right side
    539,038.88x = 221,161,853,039.94
  5. Step 5: Solve for x
    x = 221,161,853,039.94/539,038.88
  6. Step 6: Final answer
    x = 410,289.24

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1.5x scale

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.