Finding the Fourth Proportional to 564,862.92, 779,508.26 and 306,737.79
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Solution
The fourth proportional to 564,862.92, 779,508.26 and 306,737.79 is: 423,296.75
Step by Step Solution
- Step 1: Write the proportion equation
564,862.92 : 779,508.26 = 306,737.79 : x - Step 2: Convert to fraction form
564,862.92/779,508.26 = 306,737.79/x - Step 3: Cross multiply
564,862.92x = 779,508.26 × 306,737.79 - Step 4: Simplify right side
564,862.92x = 239,104,640,959.15 - Step 5: Solve for x
x = 239,104,640,959.15/564,862.92 - Step 6: Final answer
x = 423,296.75
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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.