Home / 770,588.22-1,063,625.46-448,360.56

Finding the Fourth Proportional to 770,588.22, 1,063,625.46 and 448,360.56

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Solution

The fourth proportional to 770,588.22, 1,063,625.46 and 448,360.56 is: 618,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,588.22 : 1,063,625.46 = 448,360.56 : x
  2. Step 2: Convert to fraction form
    770,588.22/1,063,625.46 = 448,360.56/x
  3. Step 3: Cross multiply
    770,588.22x = 1,063,625.46 × 448,360.56
  4. Step 4: Simplify right side
    770,588.22x = 476,887,706,875.86
  5. Step 5: Solve for x
    x = 476,887,706,875.86/770,588.22
  6. Step 6: Final answer
    x = 618,861.92

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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.