Home / 823,830.75-1,136,903.72-466,134.75

Finding the Fourth Proportional to 823,830.75, 1,136,903.72 and 466,134.75

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Solution

The fourth proportional to 823,830.75, 1,136,903.72 and 466,134.75 is: 643,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,830.75 : 1,136,903.72 = 466,134.75 : x
  2. Step 2: Convert to fraction form
    823,830.75/1,136,903.72 = 466,134.75/x
  3. Step 3: Cross multiply
    823,830.75x = 1,136,903.72 × 466,134.75
  4. Step 4: Simplify right side
    823,830.75x = 529,950,328,965.60
  5. Step 5: Solve for x
    x = 529,950,328,965.60/823,830.75
  6. Step 6: Final answer
    x = 643,275.73

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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.