Finding the Fourth Proportional to 553,251.35, 763,559.62 and 311,581.17
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Solution
The fourth proportional to 553,251.35, 763,559.62 and 311,581.17 is: 430,022.99
Step by Step Solution
- Step 1: Write the proportion equation
553,251.35 : 763,559.62 = 311,581.17 : x - Step 2: Convert to fraction form
553,251.35/763,559.62 = 311,581.17/x - Step 3: Cross multiply
553,251.35x = 763,559.62 × 311,581.17 - Step 4: Simplify right side
553,251.35x = 237,910,798,985.40 - Step 5: Solve for x
x = 237,910,798,985.40/553,251.35 - Step 6: Final answer
x = 430,022.99
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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.