Home / 742,383.72-1,113,996.80-400,822.57

Finding the Fourth Proportional to 742,383.72, 1,113,996.80 and 400,822.57

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Solution

The fourth proportional to 742,383.72, 1,113,996.80 and 400,822.57 is: 601,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,383.72 : 1,113,996.80 = 400,822.57 : x
  2. Step 2: Convert to fraction form
    742,383.72/1,113,996.80 = 400,822.57/x
  3. Step 3: Cross multiply
    742,383.72x = 1,113,996.80 × 400,822.57
  4. Step 4: Simplify right side
    742,383.72x = 446,515,054,777.79
  5. Step 5: Solve for x
    x = 446,515,054,777.79/742,383.72
  6. Step 6: Final answer
    x = 601,461.27

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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.