Finding the Fourth Proportional to 824,908.73, 1,138,533.69 and 537,930.59
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Solution
The fourth proportional to 824,908.73, 1,138,533.69 and 537,930.59 is: 742,448.32
Step by Step Solution
- Step 1: Write the proportion equation
824,908.73 : 1,138,533.69 = 537,930.59 : x - Step 2: Convert to fraction form
824,908.73/1,138,533.69 = 537,930.59/x - Step 3: Cross multiply
824,908.73x = 1,138,533.69 × 537,930.59 - Step 4: Simplify right side
824,908.73x = 612,452,093,903.91 - Step 5: Solve for x
x = 612,452,093,903.91/824,908.73 - Step 6: Final answer
x = 742,448.32
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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.