Finding the Fourth Proportional to 715,194.36, 1,071,158.58 and 341,479.80
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Solution
The fourth proportional to 715,194.36, 1,071,158.58 and 341,479.80 is: 511,440.02
Step by Step Solution
- Step 1: Write the proportion equation
715,194.36 : 1,071,158.58 = 341,479.80 : x - Step 2: Convert to fraction form
715,194.36/1,071,158.58 = 341,479.80/x - Step 3: Cross multiply
715,194.36x = 1,071,158.58 × 341,479.80 - Step 4: Simplify right side
715,194.36x = 365,779,017,666.68 - Step 5: Solve for x
x = 365,779,017,666.68/715,194.36 - Step 6: Final answer
x = 511,440.02
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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.