Home / 646,312.82-969,533.47-247,289.20

Finding the Fourth Proportional to 646,312.82, 969,533.47 and 247,289.20

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Solution

The fourth proportional to 646,312.82, 969,533.47 and 247,289.20 is: 370,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,312.82 : 969,533.47 = 247,289.20 : x
  2. Step 2: Convert to fraction form
    646,312.82/969,533.47 = 247,289.20/x
  3. Step 3: Cross multiply
    646,312.82x = 969,533.47 × 247,289.20
  4. Step 4: Simplify right side
    646,312.82x = 239,755,160,203.93
  5. Step 5: Solve for x
    x = 239,755,160,203.93/646,312.82
  6. Step 6: Final answer
    x = 370,958.39

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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.