Finding the Fourth Proportional to 783,488.62, 1,081,545.24 and 529,184.26
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Solution
The fourth proportional to 783,488.62, 1,081,545.24 and 529,184.26 is: 730,497.81
Step by Step Solution
- Step 1: Write the proportion equation
783,488.62 : 1,081,545.24 = 529,184.26 : x - Step 2: Convert to fraction form
783,488.62/1,081,545.24 = 529,184.26/x - Step 3: Cross multiply
783,488.62x = 1,081,545.24 × 529,184.26 - Step 4: Simplify right side
783,488.62x = 572,336,717,485.92 - Step 5: Solve for x
x = 572,336,717,485.92/783,488.62 - Step 6: Final answer
x = 730,497.81
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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.