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Finding the Fourth Proportional to 682,883.53, 942,339.02 and 376,952.40

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Solution

The fourth proportional to 682,883.53, 942,339.02 and 376,952.40 is: 520,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,883.53 : 942,339.02 = 376,952.40 : x
  2. Step 2: Convert to fraction form
    682,883.53/942,339.02 = 376,952.40/x
  3. Step 3: Cross multiply
    682,883.53x = 942,339.02 × 376,952.40
  4. Step 4: Simplify right side
    682,883.53x = 355,216,953,317.89
  5. Step 5: Solve for x
    x = 355,216,953,317.89/682,883.53
  6. Step 6: Final answer
    x = 520,172.09

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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.