Home / 947,888.98-1,308,095.49-539,984.78

Finding the Fourth Proportional to 947,888.98, 1,308,095.49 and 539,984.78

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Solution

The fourth proportional to 947,888.98, 1,308,095.49 and 539,984.78 is: 745,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,888.98 : 1,308,095.49 = 539,984.78 : x
  2. Step 2: Convert to fraction form
    947,888.98/1,308,095.49 = 539,984.78/x
  3. Step 3: Cross multiply
    947,888.98x = 1,308,095.49 × 539,984.78
  4. Step 4: Simplify right side
    947,888.98x = 706,351,648,846.17
  5. Step 5: Solve for x
    x = 706,351,648,846.17/947,888.98
  6. Step 6: Final answer
    x = 745,183.95

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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.