Finding the Fourth Proportional to 729,317.92, 1,006,587.12 and 471,511.84
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Solution
The fourth proportional to 729,317.92, 1,006,587.12 and 471,511.84 is: 650,769.34
Step by Step Solution
- Step 1: Write the proportion equation
729,317.92 : 1,006,587.12 = 471,511.84 : x - Step 2: Convert to fraction form
729,317.92/1,006,587.12 = 471,511.84/x - Step 3: Cross multiply
729,317.92x = 1,006,587.12 × 471,511.84 - Step 4: Simplify right side
729,317.92x = 474,617,745,071.50 - Step 5: Solve for x
x = 474,617,745,071.50/729,317.92 - Step 6: Final answer
x = 650,769.34
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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.