Finding the Fourth Proportional to 926,569.14, 1,390,135.95 and 453,185.70
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Solution
The fourth proportional to 926,569.14, 1,390,135.95 and 453,185.70 is: 679,916.59
Step by Step Solution
- Step 1: Write the proportion equation
926,569.14 : 1,390,135.95 = 453,185.70 : x - Step 2: Convert to fraction form
926,569.14/1,390,135.95 = 453,185.70/x - Step 3: Cross multiply
926,569.14x = 1,390,135.95 × 453,185.70 - Step 4: Simplify right side
926,569.14x = 629,989,733,595.92 - Step 5: Solve for x
x = 629,989,733,595.92/926,569.14 - Step 6: Final answer
x = 679,916.59
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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.