Finding the Fourth Proportional to 698,738.94, 1,048,108.65 and 219,003.99
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Solution
The fourth proportional to 698,738.94, 1,048,108.65 and 219,003.99 is: 328,506.06
Step by Step Solution
- Step 1: Write the proportion equation
698,738.94 : 1,048,108.65 = 219,003.99 : x - Step 2: Convert to fraction form
698,738.94/1,048,108.65 = 219,003.99/x - Step 3: Cross multiply
698,738.94x = 1,048,108.65 × 219,003.99 - Step 4: Simplify right side
698,738.94x = 229,539,976,303.51 - Step 5: Solve for x
x = 229,539,976,303.51/698,738.94 - Step 6: Final answer
x = 328,506.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.