Home / 682,629.13-942,028.60-380,823.13

Finding the Fourth Proportional to 682,629.13, 942,028.60 and 380,823.13

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Solution

The fourth proportional to 682,629.13, 942,028.60 and 380,823.13 is: 525,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,629.13 : 942,028.60 = 380,823.13 : x
  2. Step 2: Convert to fraction form
    682,629.13/942,028.60 = 380,823.13/x
  3. Step 3: Cross multiply
    682,629.13x = 942,028.60 × 380,823.13
  4. Step 4: Simplify right side
    682,629.13x = 358,746,280,001.52
  5. Step 5: Solve for x
    x = 358,746,280,001.52/682,629.13
  6. Step 6: Final answer
    x = 525,536.14

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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.