Finding the Fourth Proportional to 403,460.80, 605,774.40 and 304,316.80
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Solution
The fourth proportional to 403,460.80, 605,774.40 and 304,316.80 is: 456,915.09
Step by Step Solution
- Step 1: Write the proportion equation
403,460.80 : 605,774.40 = 304,316.80 : x - Step 2: Convert to fraction form
403,460.80/605,774.40 = 304,316.80/x - Step 3: Cross multiply
403,460.80x = 605,774.40 × 304,316.80 - Step 4: Simplify right side
403,460.80x = 184,347,326,929.92 - Step 5: Solve for x
x = 184,347,326,929.92/403,460.80 - Step 6: Final answer
x = 456,915.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.