Finding the Fourth Proportional to 472,805.30, 709,207.95 and 367,051.70
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Solution
The fourth proportional to 472,805.30, 709,207.95 and 367,051.70 is: 550,577.55
Step by Step Solution
- Step 1: Write the proportion equation
472,805.30 : 709,207.95 = 367,051.70 : x - Step 2: Convert to fraction form
472,805.30/709,207.95 = 367,051.70/x - Step 3: Cross multiply
472,805.30x = 709,207.95 × 367,051.70 - Step 4: Simplify right side
472,805.30x = 260,315,983,701.02 - Step 5: Solve for x
x = 260,315,983,701.02/472,805.30 - Step 6: Final answer
x = 550,577.55
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1.5x scale
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.