Home / 939,081.76-1,295,923.30-509,352.66

Finding the Fourth Proportional to 939,081.76, 1,295,923.30 and 509,352.66

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Solution

The fourth proportional to 939,081.76, 1,295,923.30 and 509,352.66 is: 702,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,081.76 : 1,295,923.30 = 509,352.66 : x
  2. Step 2: Convert to fraction form
    939,081.76/1,295,923.30 = 509,352.66/x
  3. Step 3: Cross multiply
    939,081.76x = 1,295,923.30 × 509,352.66
  4. Step 4: Simplify right side
    939,081.76x = 660,081,980,010.98
  5. Step 5: Solve for x
    x = 660,081,980,010.98/939,081.76
  6. Step 6: Final answer
    x = 702,901.50

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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.