Home / 746,918.13-1,030,742.10-424,628.31

Finding the Fourth Proportional to 746,918.13, 1,030,742.10 and 424,628.31

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Solution

The fourth proportional to 746,918.13, 1,030,742.10 and 424,628.31 is: 585,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,918.13 : 1,030,742.10 = 424,628.31 : x
  2. Step 2: Convert to fraction form
    746,918.13/1,030,742.10 = 424,628.31/x
  3. Step 3: Cross multiply
    746,918.13x = 1,030,742.10 × 424,628.31
  4. Step 4: Simplify right side
    746,918.13x = 437,682,275,968.85
  5. Step 5: Solve for x
    x = 437,682,275,968.85/746,918.13
  6. Step 6: Final answer
    x = 585,984.27

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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.