Home / 682,862.09-942,349.87-376,938.67

Finding the Fourth Proportional to 682,862.09, 942,349.87 and 376,938.67

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Solution

The fourth proportional to 682,862.09, 942,349.87 and 376,938.67 is: 520,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,862.09 : 942,349.87 = 376,938.67 : x
  2. Step 2: Convert to fraction form
    682,862.09/942,349.87 = 376,938.67/x
  3. Step 3: Cross multiply
    682,862.09x = 942,349.87 × 376,938.67
  4. Step 4: Simplify right side
    682,862.09x = 355,208,106,672.47
  5. Step 5: Solve for x
    x = 355,208,106,672.47/682,862.09
  6. Step 6: Final answer
    x = 520,175.47

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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.