Finding the Fourth Proportional to 705,234.09, 973,223.05 and 403,428.09
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Solution
The fourth proportional to 705,234.09, 973,223.05 and 403,428.09 is: 556,730.77
Step by Step Solution
- Step 1: Write the proportion equation
705,234.09 : 973,223.05 = 403,428.09 : x - Step 2: Convert to fraction form
705,234.09/973,223.05 = 403,428.09/x - Step 3: Cross multiply
705,234.09x = 973,223.05 × 403,428.09 - Step 4: Simplify right side
705,234.09x = 392,625,519,602.92 - Step 5: Solve for x
x = 392,625,519,602.92/705,234.09 - Step 6: Final answer
x = 556,730.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.