Finding the Fourth Proportional to 688,657.24, 1,032,946.98 and 215,286.76
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Solution
The fourth proportional to 688,657.24, 1,032,946.98 and 215,286.76 is: 322,917.99
Step by Step Solution
- Step 1: Write the proportion equation
688,657.24 : 1,032,946.98 = 215,286.76 : x - Step 2: Convert to fraction form
688,657.24/1,032,946.98 = 215,286.76/x - Step 3: Cross multiply
688,657.24x = 1,032,946.98 × 215,286.76 - Step 4: Simplify right side
688,657.24x = 222,379,808,575.99 - Step 5: Solve for x
x = 222,379,808,575.99/688,657.24 - Step 6: Final answer
x = 322,917.99
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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.