Finding the Fourth Proportional to 736,702.26, 1,016,794.29 and 478,898.58
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Solution
The fourth proportional to 736,702.26, 1,016,794.29 and 478,898.58 is: 660,974.41
Step by Step Solution
- Step 1: Write the proportion equation
736,702.26 : 1,016,794.29 = 478,898.58 : x - Step 2: Convert to fraction form
736,702.26/1,016,794.29 = 478,898.58/x - Step 3: Cross multiply
736,702.26x = 1,016,794.29 × 478,898.58 - Step 4: Simplify right side
736,702.26x = 486,941,341,633.11 - Step 5: Solve for x
x = 486,941,341,633.11/736,702.26 - Step 6: Final answer
x = 660,974.41
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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.