Finding the Fourth Proportional to 840,456.62, 1,159,827.72 and 458,480.68
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Solution
The fourth proportional to 840,456.62, 1,159,827.72 and 458,480.68 is: 632,702.02
Step by Step Solution
- Step 1: Write the proportion equation
840,456.62 : 1,159,827.72 = 458,480.68 : x - Step 2: Convert to fraction form
840,456.62/1,159,827.72 = 458,480.68/x - Step 3: Cross multiply
840,456.62x = 1,159,827.72 × 458,480.68 - Step 4: Simplify right side
840,456.62x = 531,758,601,748.45 - Step 5: Solve for x
x = 531,758,601,748.45/840,456.62 - Step 6: Final answer
x = 632,702.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.