Finding the Fourth Proportional to 616,931.12, 851,348.96 and 341,299.15
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Solution
The fourth proportional to 616,931.12, 851,348.96 and 341,299.15 is: 470,983.99
Step by Step Solution
- Step 1: Write the proportion equation
616,931.12 : 851,348.96 = 341,299.15 : x - Step 2: Convert to fraction form
616,931.12/851,348.96 = 341,299.15/x - Step 3: Cross multiply
616,931.12x = 851,348.96 × 341,299.15 - Step 4: Simplify right side
616,931.12x = 290,564,677,995.29 - Step 5: Solve for x
x = 290,564,677,995.29/616,931.12 - Step 6: Final answer
x = 470,983.99
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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.