Home / 834,720.39-1,151,914.23-472,136.43

Finding the Fourth Proportional to 834,720.39, 1,151,914.23 and 472,136.43

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Solution

The fourth proportional to 834,720.39, 1,151,914.23 and 472,136.43 is: 651,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,720.39 : 1,151,914.23 = 472,136.43 : x
  2. Step 2: Convert to fraction form
    834,720.39/1,151,914.23 = 472,136.43/x
  3. Step 3: Cross multiply
    834,720.39x = 1,151,914.23 × 472,136.43
  4. Step 4: Simplify right side
    834,720.39x = 543,860,672,218.40
  5. Step 5: Solve for x
    x = 543,860,672,218.40/834,720.39
  6. Step 6: Final answer
    x = 651,548.33

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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.