Finding the Fourth Proportional to 877,557.07, 1,316,335.60 and 212,709.07
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Solution
The fourth proportional to 877,557.07, 1,316,335.60 and 212,709.07 is: 319,063.60
Step by Step Solution
- Step 1: Write the proportion equation
877,557.07 : 1,316,335.60 = 212,709.07 : x - Step 2: Convert to fraction form
877,557.07/1,316,335.60 = 212,709.07/x - Step 3: Cross multiply
877,557.07x = 1,316,335.60 × 212,709.07 - Step 4: Simplify right side
877,557.07x = 279,996,514,702.21 - Step 5: Solve for x
x = 279,996,514,702.21/877,557.07 - Step 6: Final answer
x = 319,063.60
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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.