Finding the Fourth Proportional to 559,611.60, 772,264.08 and 304,962.80
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Solution
The fourth proportional to 559,611.60, 772,264.08 and 304,962.80 is: 420,848.70
Step by Step Solution
- Step 1: Write the proportion equation
559,611.60 : 772,264.08 = 304,962.80 : x - Step 2: Convert to fraction form
559,611.60/772,264.08 = 304,962.80/x - Step 3: Cross multiply
559,611.60x = 772,264.08 × 304,962.80 - Step 4: Simplify right side
559,611.60x = 235,511,816,176.22 - Step 5: Solve for x
x = 235,511,816,176.22/559,611.60 - Step 6: Final answer
x = 420,848.70
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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.