Finding the Fourth Proportional to 648,101.73, 894,237.21 and 376,012.02
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Solution
The fourth proportional to 648,101.73, 894,237.21 and 376,012.02 is: 518,813.52
Step by Step Solution
- Step 1: Write the proportion equation
648,101.73 : 894,237.21 = 376,012.02 : x - Step 2: Convert to fraction form
648,101.73/894,237.21 = 376,012.02/x - Step 3: Cross multiply
648,101.73x = 894,237.21 × 376,012.02 - Step 4: Simplify right side
648,101.73x = 336,243,939,691.26 - Step 5: Solve for x
x = 336,243,939,691.26/648,101.73 - Step 6: Final answer
x = 518,813.52
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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.