Home / 742,365.56-1,024,467.21-402,833.81

Finding the Fourth Proportional to 742,365.56, 1,024,467.21 and 402,833.81

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Solution

The fourth proportional to 742,365.56, 1,024,467.21 and 402,833.81 is: 555,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,365.56 : 1,024,467.21 = 402,833.81 : x
  2. Step 2: Convert to fraction form
    742,365.56/1,024,467.21 = 402,833.81/x
  3. Step 3: Cross multiply
    742,365.56x = 1,024,467.21 × 402,833.81
  4. Step 4: Simplify right side
    742,365.56x = 412,690,031,985.54
  5. Step 5: Solve for x
    x = 412,690,031,985.54/742,365.56
  6. Step 6: Final answer
    x = 555,912.14

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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.