Home / 947,795.82-1,307,958.14-518,077.67

Finding the Fourth Proportional to 947,795.82, 1,307,958.14 and 518,077.67

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Solution

The fourth proportional to 947,795.82, 1,307,958.14 and 518,077.67 is: 714,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,795.82 : 1,307,958.14 = 518,077.67 : x
  2. Step 2: Convert to fraction form
    947,795.82/1,307,958.14 = 518,077.67/x
  3. Step 3: Cross multiply
    947,795.82x = 1,307,958.14 × 518,077.67
  4. Step 4: Simplify right side
    947,795.82x = 677,623,896,498.56
  5. Step 5: Solve for x
    x = 677,623,896,498.56/947,795.82
  6. Step 6: Final answer
    x = 714,947.12

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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.