Finding the Fourth Proportional to 1,157,580.79, 1,736,436.79 and 358,975.87
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Solution
The fourth proportional to 1,157,580.79, 1,736,436.79 and 358,975.87 is: 538,484.15
Step by Step Solution
- Step 1: Write the proportion equation
1,157,580.79 : 1,736,436.79 = 358,975.87 : x - Step 2: Convert to fraction form
1,157,580.79/1,736,436.79 = 358,975.87/x - Step 3: Cross multiply
1,157,580.79x = 1,736,436.79 × 358,975.87 - Step 4: Simplify right side
1,157,580.79x = 623,338,903,497.89 - Step 5: Solve for x
x = 623,338,903,497.89/1,157,580.79 - Step 6: Final answer
x = 538,484.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.