Finding the Fourth Proportional to 807,488.30, 1,211,404.67 and 402,898.06
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Solution
The fourth proportional to 807,488.30, 1,211,404.67 and 402,898.06 is: 604,433.02
Step by Step Solution
- Step 1: Write the proportion equation
807,488.30 : 1,211,404.67 = 402,898.06 : x - Step 2: Convert to fraction form
807,488.30/1,211,404.67 = 402,898.06/x - Step 3: Cross multiply
807,488.30x = 1,211,404.67 × 402,898.06 - Step 4: Simplify right side
807,488.30x = 488,072,589,396.67 - Step 5: Solve for x
x = 488,072,589,396.67/807,488.30 - Step 6: Final answer
x = 604,433.02
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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.