Finding the Fourth Proportional to 924,544.84, 1,380,046.81 and 815,340.84
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Solution
The fourth proportional to 924,544.84, 1,380,046.81 and 815,340.84 is: 1,217,040.51
Step by Step Solution
- Step 1: Write the proportion equation
924,544.84 : 1,380,046.81 = 815,340.84 : x - Step 2: Convert to fraction form
924,544.84/1,380,046.81 = 815,340.84/x - Step 3: Cross multiply
924,544.84x = 1,380,046.81 × 815,340.84 - Step 4: Simplify right side
924,544.84x = 1,125,208,521,228.02 - Step 5: Solve for x
x = 1,125,208,521,228.02/924,544.84 - Step 6: Final answer
x = 1,217,040.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.