Home / 842,673.52-1,264,012.68-243,683.36

Finding the Fourth Proportional to 842,673.52, 1,264,012.68 and 243,683.36

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Solution

The fourth proportional to 842,673.52, 1,264,012.68 and 243,683.36 is: 365,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,673.52 : 1,264,012.68 = 243,683.36 : x
  2. Step 2: Convert to fraction form
    842,673.52/1,264,012.68 = 243,683.36/x
  3. Step 3: Cross multiply
    842,673.52x = 1,264,012.68 × 243,683.36
  4. Step 4: Simplify right side
    842,673.52x = 308,018,856,945.01
  5. Step 5: Solve for x
    x = 308,018,856,945.01/842,673.52
  6. Step 6: Final answer
    x = 365,525.73

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Double scale
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Similar ratio
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1.5x scale

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.