Home / 757,851.84-1,045,809.09-451,770.26

Finding the Fourth Proportional to 757,851.84, 1,045,809.09 and 451,770.26

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Solution

The fourth proportional to 757,851.84, 1,045,809.09 and 451,770.26 is: 623,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,851.84 : 1,045,809.09 = 451,770.26 : x
  2. Step 2: Convert to fraction form
    757,851.84/1,045,809.09 = 451,770.26/x
  3. Step 3: Cross multiply
    757,851.84x = 1,045,809.09 × 451,770.26
  4. Step 4: Simplify right side
    757,851.84x = 472,465,439,270.62
  5. Step 5: Solve for x
    x = 472,465,439,270.62/757,851.84
  6. Step 6: Final answer
    x = 623,427.19

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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.