Finding the Fourth Proportional to 885,029.92, 1,326,540.18 and 778,207.12
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Solution
The fourth proportional to 885,029.92, 1,326,540.18 and 778,207.12 is: 1,166,427.25
Step by Step Solution
- Step 1: Write the proportion equation
885,029.92 : 1,326,540.18 = 778,207.12 : x - Step 2: Convert to fraction form
885,029.92/1,326,540.18 = 778,207.12/x - Step 3: Cross multiply
885,029.92x = 1,326,540.18 × 778,207.12 - Step 4: Simplify right side
885,029.92x = 1,032,323,013,042.08 - Step 5: Solve for x
x = 1,032,323,013,042.08/885,029.92 - Step 6: Final answer
x = 1,166,427.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.