Home / 646,326.93-969,595.50-190,964.37

Finding the Fourth Proportional to 646,326.93, 969,595.50 and 190,964.37

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Solution

The fourth proportional to 646,326.93, 969,595.50 and 190,964.37 is: 286,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,326.93 : 969,595.50 = 190,964.37 : x
  2. Step 2: Convert to fraction form
    646,326.93/969,595.50 = 190,964.37/x
  3. Step 3: Cross multiply
    646,326.93x = 969,595.50 × 190,964.37
  4. Step 4: Simplify right side
    646,326.93x = 185,158,193,812.34
  5. Step 5: Solve for x
    x = 185,158,193,812.34/646,326.93
  6. Step 6: Final answer
    x = 286,477.61

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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.