Finding the Fourth Proportional to 664,493.60, 997,724.55 and 514,902.80
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Solution
The fourth proportional to 664,493.60, 997,724.55 and 514,902.80 is: 773,116.80
Step by Step Solution
- Step 1: Write the proportion equation
664,493.60 : 997,724.55 = 514,902.80 : x - Step 2: Convert to fraction form
664,493.60/997,724.55 = 514,902.80/x - Step 3: Cross multiply
664,493.60x = 997,724.55 × 514,902.80 - Step 4: Simplify right side
664,493.60x = 513,731,164,423.74 - Step 5: Solve for x
x = 513,731,164,423.74/664,493.60 - Step 6: Final answer
x = 773,116.80
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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.