Finding the Fourth Proportional to 509,716.08, 703,325.40 and 283,355.76
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Solution
The fourth proportional to 509,716.08, 703,325.40 and 283,355.76 is: 390,984.92
Step by Step Solution
- Step 1: Write the proportion equation
509,716.08 : 703,325.40 = 283,355.76 : x - Step 2: Convert to fraction form
509,716.08/703,325.40 = 283,355.76/x - Step 3: Cross multiply
509,716.08x = 703,325.40 × 283,355.76 - Step 4: Simplify right side
509,716.08x = 199,291,303,244.30 - Step 5: Solve for x
x = 199,291,303,244.30/509,716.08 - Step 6: Final answer
x = 390,984.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.