Finding the Fourth Proportional to 523,901.84, 723,071.88 and 309,095.12
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Solution
The fourth proportional to 523,901.84, 723,071.88 and 309,095.12 is: 426,602.80
Step by Step Solution
- Step 1: Write the proportion equation
523,901.84 : 723,071.88 = 309,095.12 : x - Step 2: Convert to fraction form
523,901.84/723,071.88 = 309,095.12/x - Step 3: Cross multiply
523,901.84x = 723,071.88 × 309,095.12 - Step 4: Simplify right side
523,901.84x = 223,497,989,517.23 - Step 5: Solve for x
x = 223,497,989,517.23/523,901.84 - Step 6: Final answer
x = 426,602.80
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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.