Finding the Fourth Proportional to 604,927.70, 908,047.65 and 339,207.20
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Solution
The fourth proportional to 604,927.70, 908,047.65 and 339,207.20 is: 509,178.70
Step by Step Solution
- Step 1: Write the proportion equation
604,927.70 : 908,047.65 = 339,207.20 : x - Step 2: Convert to fraction form
604,927.70/908,047.65 = 339,207.20/x - Step 3: Cross multiply
604,927.70x = 908,047.65 × 339,207.20 - Step 4: Simplify right side
604,927.70x = 308,016,300,823.08 - Step 5: Solve for x
x = 308,016,300,823.08/604,927.70 - Step 6: Final answer
x = 509,178.70
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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.