Finding the Fourth Proportional to 671,775.92, 927,135.52 and 385,289.84
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Solution
The fourth proportional to 671,775.92, 927,135.52 and 385,289.84 is: 531,748.59
Step by Step Solution
- Step 1: Write the proportion equation
671,775.92 : 927,135.52 = 385,289.84 : x - Step 2: Convert to fraction form
671,775.92/927,135.52 = 385,289.84/x - Step 3: Cross multiply
671,775.92x = 927,135.52 × 385,289.84 - Step 4: Simplify right side
671,775.92x = 357,215,896,159.12 - Step 5: Solve for x
x = 357,215,896,159.12/671,775.92 - Step 6: Final answer
x = 531,748.59
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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.