Home / 742,560.49-1,024,734.50-403,028.77

Finding the Fourth Proportional to 742,560.49, 1,024,734.50 and 403,028.77

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Solution

The fourth proportional to 742,560.49, 1,024,734.50 and 403,028.77 is: 556,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,560.49 : 1,024,734.50 = 403,028.77 : x
  2. Step 2: Convert to fraction form
    742,560.49/1,024,734.50 = 403,028.77/x
  3. Step 3: Cross multiply
    742,560.49x = 1,024,734.50 × 403,028.77
  4. Step 4: Simplify right side
    742,560.49x = 412,997,485,111.57
  5. Step 5: Solve for x
    x = 412,997,485,111.57/742,560.49
  6. Step 6: Final answer
    x = 556,180.26

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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.