Finding the Fourth Proportional to 698,383.02, 1,047,925.11 and 319,269.99
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Solution
The fourth proportional to 698,383.02, 1,047,925.11 and 319,269.99 is: 479,065.25
Step by Step Solution
- Step 1: Write the proportion equation
698,383.02 : 1,047,925.11 = 319,269.99 : x - Step 2: Convert to fraction form
698,383.02/1,047,925.11 = 319,269.99/x - Step 3: Cross multiply
698,383.02x = 1,047,925.11 × 319,269.99 - Step 4: Simplify right side
698,383.02x = 334,571,039,390.45 - Step 5: Solve for x
x = 334,571,039,390.45/698,383.02 - Step 6: Final answer
x = 479,065.25
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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.