Home / 742,534.88-1,024,698.88-403,003.28

Finding the Fourth Proportional to 742,534.88, 1,024,698.88 and 403,003.28

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Solution

The fourth proportional to 742,534.88, 1,024,698.88 and 403,003.28 is: 556,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,534.88 : 1,024,698.88 = 403,003.28 : x
  2. Step 2: Convert to fraction form
    742,534.88/1,024,698.88 = 403,003.28/x
  3. Step 3: Cross multiply
    742,534.88x = 1,024,698.88 × 403,003.28
  4. Step 4: Simplify right side
    742,534.88x = 412,957,009,652.33
  5. Step 5: Solve for x
    x = 412,957,009,652.33/742,534.88
  6. Step 6: Final answer
    x = 556,144.93

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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.