Home / 742,912.48-1,025,190.48-403,372.96

Finding the Fourth Proportional to 742,912.48, 1,025,190.48 and 403,372.96

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Solution

The fourth proportional to 742,912.48, 1,025,190.48 and 403,372.96 is: 556,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,912.48 : 1,025,190.48 = 403,372.96 : x
  2. Step 2: Convert to fraction form
    742,912.48/1,025,190.48 = 403,372.96/x
  3. Step 3: Cross multiply
    742,912.48x = 1,025,190.48 × 403,372.96
  4. Step 4: Simplify right side
    742,912.48x = 413,534,118,481.42
  5. Step 5: Solve for x
    x = 413,534,118,481.42/742,912.48
  6. Step 6: Final answer
    x = 556,639.08

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1.5x scale

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.