Finding the Fourth Proportional to 986,194.70, 1,479,376.17 and 346,442.52
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Solution
The fourth proportional to 986,194.70, 1,479,376.17 and 346,442.52 is: 519,693.33
Step by Step Solution
- Step 1: Write the proportion equation
986,194.70 : 1,479,376.17 = 346,442.52 : x - Step 2: Convert to fraction form
986,194.70/1,479,376.17 = 346,442.52/x - Step 3: Cross multiply
986,194.70x = 1,479,376.17 × 346,442.52 - Step 4: Simplify right side
986,194.70x = 512,518,808,362.75 - Step 5: Solve for x
x = 512,518,808,362.75/986,194.70 - Step 6: Final answer
x = 519,693.33
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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.