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Finding the Fourth Proportional to 539,479.08, 744,486.54 and 297,756.36

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Solution

The fourth proportional to 539,479.08, 744,486.54 and 297,756.36 is: 410,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,479.08 : 744,486.54 = 297,756.36 : x
  2. Step 2: Convert to fraction form
    539,479.08/744,486.54 = 297,756.36/x
  3. Step 3: Cross multiply
    539,479.08x = 744,486.54 × 297,756.36
  4. Step 4: Simplify right side
    539,479.08x = 221,675,602,219.39
  5. Step 5: Solve for x
    x = 221,675,602,219.39/539,479.08
  6. Step 6: Final answer
    x = 410,906.76

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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.