Finding the Fourth Proportional to 963,560.25, 1,329,677.85 and 555,679.26
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Solution
The fourth proportional to 963,560.25, 1,329,677.85 and 555,679.26 is: 766,817.02
Step by Step Solution
- Step 1: Write the proportion equation
963,560.25 : 1,329,677.85 = 555,679.26 : x - Step 2: Convert to fraction form
963,560.25/1,329,677.85 = 555,679.26/x - Step 3: Cross multiply
963,560.25x = 1,329,677.85 × 555,679.26 - Step 4: Simplify right side
963,560.25x = 738,874,403,726.39 - Step 5: Solve for x
x = 738,874,403,726.39/963,560.25 - Step 6: Final answer
x = 766,817.02
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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.