Finding the Fourth Proportional to 965,041.29, 1,331,816.58 and 557,217.63
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Solution
The fourth proportional to 965,041.29, 1,331,816.58 and 557,217.63 is: 768,994.74
Step by Step Solution
- Step 1: Write the proportion equation
965,041.29 : 1,331,816.58 = 557,217.63 : x - Step 2: Convert to fraction form
965,041.29/1,331,816.58 = 557,217.63/x - Step 3: Cross multiply
965,041.29x = 1,331,816.58 × 557,217.63 - Step 4: Simplify right side
965,041.29x = 742,111,678,302.31 - Step 5: Solve for x
x = 742,111,678,302.31/965,041.29 - Step 6: Final answer
x = 768,994.74
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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.