Finding the Fourth Proportional to 562,339.13, 776,027.99 and 307,690.31
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Solution
The fourth proportional to 562,339.13, 776,027.99 and 307,690.31 is: 424,612.63
Step by Step Solution
- Step 1: Write the proportion equation
562,339.13 : 776,027.99 = 307,690.31 : x - Step 2: Convert to fraction form
562,339.13/776,027.99 = 307,690.31/x - Step 3: Cross multiply
562,339.13x = 776,027.99 × 307,690.31 - Step 4: Simplify right side
562,339.13x = 238,776,295,521.07 - Step 5: Solve for x
x = 238,776,295,521.07/562,339.13 - Step 6: Final answer
x = 424,612.63
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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.