Home / 848,697.29-1,171,113.68-486,136.43

Finding the Fourth Proportional to 848,697.29, 1,171,113.68 and 486,136.43

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Solution

The fourth proportional to 848,697.29, 1,171,113.68 and 486,136.43 is: 670,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,697.29 : 1,171,113.68 = 486,136.43 : x
  2. Step 2: Convert to fraction form
    848,697.29/1,171,113.68 = 486,136.43/x
  3. Step 3: Cross multiply
    848,697.29x = 1,171,113.68 × 486,136.43
  4. Step 4: Simplify right side
    848,697.29x = 569,321,023,270.81
  5. Step 5: Solve for x
    x = 569,321,023,270.81/848,697.29
  6. Step 6: Final answer
    x = 670,817.54

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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.