Finding the Fourth Proportional to 702,177.70, 969,121.14 and 430,396.78
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Solution
The fourth proportional to 702,177.70, 969,121.14 and 430,396.78 is: 594,018.61
Step by Step Solution
- Step 1: Write the proportion equation
702,177.70 : 969,121.14 = 430,396.78 : x - Step 2: Convert to fraction form
702,177.70/969,121.14 = 430,396.78/x - Step 3: Cross multiply
702,177.70x = 969,121.14 × 430,396.78 - Step 4: Simplify right side
702,177.70x = 417,106,618,085.93 - Step 5: Solve for x
x = 417,106,618,085.93/702,177.70 - Step 6: Final answer
x = 594,018.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.