Finding the Fourth Proportional to 497,937.20, 745,921.65 and 272,894.90
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Solution
The fourth proportional to 497,937.20, 745,921.65 and 272,894.90 is: 408,802.99
Step by Step Solution
- Step 1: Write the proportion equation
497,937.20 : 745,921.65 = 272,894.90 : x - Step 2: Convert to fraction form
497,937.20/745,921.65 = 272,894.90/x - Step 3: Cross multiply
497,937.20x = 745,921.65 × 272,894.90 - Step 4: Simplify right side
497,937.20x = 203,558,214,084.59 - Step 5: Solve for x
x = 203,558,214,084.59/497,937.20 - Step 6: Final answer
x = 408,802.99
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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.