Finding the Fourth Proportional to 1,528,545.60, 2,292,235.20 and 463,233.60
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Solution
The fourth proportional to 1,528,545.60, 2,292,235.20 and 463,233.60 is: 694,673.66
Step by Step Solution
- Step 1: Write the proportion equation
1,528,545.60 : 2,292,235.20 = 463,233.60 : x - Step 2: Convert to fraction form
1,528,545.60/2,292,235.20 = 463,233.60/x - Step 3: Cross multiply
1,528,545.60x = 2,292,235.20 × 463,233.60 - Step 4: Simplify right side
1,528,545.60x = 1,061,840,363,742.72 - Step 5: Solve for x
x = 1,061,840,363,742.72/1,528,545.60 - Step 6: Final answer
x = 694,673.66
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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.