Finding the Fourth Proportional to 748,506.96, 1,032,916.68 and 408,974.76
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Solution
The fourth proportional to 748,506.96, 1,032,916.68 and 408,974.76 is: 564,372.64
Step by Step Solution
- Step 1: Write the proportion equation
748,506.96 : 1,032,916.68 = 408,974.76 : x - Step 2: Convert to fraction form
748,506.96/1,032,916.68 = 408,974.76/x - Step 3: Cross multiply
748,506.96x = 1,032,916.68 × 408,974.76 - Step 4: Simplify right side
748,506.96x = 422,436,851,303.00 - Step 5: Solve for x
x = 422,436,851,303.00/748,506.96 - Step 6: Final answer
x = 564,372.64
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1.5x scale
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.