Finding the Fourth Proportional to 906,088.16, 1,358,950.80 and 861,125.60
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Solution
The fourth proportional to 906,088.16, 1,358,950.80 and 861,125.60 is: 1,291,515.96
Step by Step Solution
- Step 1: Write the proportion equation
906,088.16 : 1,358,950.80 = 861,125.60 : x - Step 2: Convert to fraction form
906,088.16/1,358,950.80 = 861,125.60/x - Step 3: Cross multiply
906,088.16x = 1,358,950.80 × 861,125.60 - Step 4: Simplify right side
906,088.16x = 1,170,227,323,020.48 - Step 5: Solve for x
x = 1,170,227,323,020.48/906,088.16 - Step 6: Final answer
x = 1,291,515.96
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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.