Finding the Fourth Proportional to 1,148,858.70, 1,723,156.74 and 307,476.06
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Solution
The fourth proportional to 1,148,858.70, 1,723,156.74 and 307,476.06 is: 461,178.95
Step by Step Solution
- Step 1: Write the proportion equation
1,148,858.70 : 1,723,156.74 = 307,476.06 : x - Step 2: Convert to fraction form
1,148,858.70/1,723,156.74 = 307,476.06/x - Step 3: Cross multiply
1,148,858.70x = 1,723,156.74 × 307,476.06 - Step 4: Simplify right side
1,148,858.70x = 529,829,445,177.64 - Step 5: Solve for x
x = 529,829,445,177.64/1,148,858.70 - Step 6: Final answer
x = 461,178.95
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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.