Home / 646,386.21-969,645.53-247,362.59

Finding the Fourth Proportional to 646,386.21, 969,645.53 and 247,362.59

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Solution

The fourth proportional to 646,386.21, 969,645.53 and 247,362.59 is: 371,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,386.21 : 969,645.53 = 247,362.59 : x
  2. Step 2: Convert to fraction form
    646,386.21/969,645.53 = 247,362.59/x
  3. Step 3: Cross multiply
    646,386.21x = 969,645.53 × 247,362.59
  4. Step 4: Simplify right side
    646,386.21x = 239,854,023,597.68
  5. Step 5: Solve for x
    x = 239,854,023,597.68/646,386.21
  6. Step 6: Final answer
    x = 371,069.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.