Finding the Fourth Proportional to 924,139.80, 1,386,209.70 and 504,235.80
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Solution
The fourth proportional to 924,139.80, 1,386,209.70 and 504,235.80 is: 756,353.70
Step by Step Solution
- Step 1: Write the proportion equation
924,139.80 : 1,386,209.70 = 504,235.80 : x - Step 2: Convert to fraction form
924,139.80/1,386,209.70 = 504,235.80/x - Step 3: Cross multiply
924,139.80x = 1,386,209.70 × 504,235.80 - Step 4: Simplify right side
924,139.80x = 698,976,557,047.26 - Step 5: Solve for x
x = 698,976,557,047.26/924,139.80 - Step 6: Final answer
x = 756,353.70
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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.