Finding the Fourth Proportional to 868,815.62, 1,302,829.77 and 564,910.10
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Solution
The fourth proportional to 868,815.62, 1,302,829.77 and 564,910.10 is: 847,109.19
Step by Step Solution
- Step 1: Write the proportion equation
868,815.62 : 1,302,829.77 = 564,910.10 : x - Step 2: Convert to fraction form
868,815.62/1,302,829.77 = 564,910.10/x - Step 3: Cross multiply
868,815.62x = 1,302,829.77 × 564,910.10 - Step 4: Simplify right side
868,815.62x = 735,981,692,965.93 - Step 5: Solve for x
x = 735,981,692,965.93/868,815.62 - Step 6: Final answer
x = 847,109.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.