Finding the Fourth Proportional to 913,641.08, 1,369,673.58 and 439,674.44
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Solution
The fourth proportional to 913,641.08, 1,369,673.58 and 439,674.44 is: 659,132.43
Step by Step Solution
- Step 1: Write the proportion equation
913,641.08 : 1,369,673.58 = 439,674.44 : x - Step 2: Convert to fraction form
913,641.08/1,369,673.58 = 439,674.44/x - Step 3: Cross multiply
913,641.08x = 1,369,673.58 × 439,674.44 - Step 4: Simplify right side
913,641.08x = 602,210,464,269.30 - Step 5: Solve for x
x = 602,210,464,269.30/913,641.08 - Step 6: Final answer
x = 659,132.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.