Finding the Fourth Proportional to 559,625.36, 772,260.54 and 304,971.08
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Solution
The fourth proportional to 559,625.36, 772,260.54 and 304,971.08 is: 420,847.85
Step by Step Solution
- Step 1: Write the proportion equation
559,625.36 : 772,260.54 = 304,971.08 : x - Step 2: Convert to fraction form
559,625.36/772,260.54 = 304,971.08/x - Step 3: Cross multiply
559,625.36x = 772,260.54 × 304,971.08 - Step 4: Simplify right side
559,625.36x = 235,517,130,925.18 - Step 5: Solve for x
x = 235,517,130,925.18/559,625.36 - Step 6: Final answer
x = 420,847.85
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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.