Finding the Fourth Proportional to 674,386.07, 930,641.78 and 368,455.87
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Solution
The fourth proportional to 674,386.07, 930,641.78 and 368,455.87 is: 508,463.09
Step by Step Solution
- Step 1: Write the proportion equation
674,386.07 : 930,641.78 = 368,455.87 : x - Step 2: Convert to fraction form
674,386.07/930,641.78 = 368,455.87/x - Step 3: Cross multiply
674,386.07x = 930,641.78 × 368,455.87 - Step 4: Simplify right side
674,386.07x = 342,900,425,916.19 - Step 5: Solve for x
x = 342,900,425,916.19/674,386.07 - Step 6: Final answer
x = 508,463.09
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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.