Finding the Fourth Proportional to 887,416.42, 1,224,731.96 and 514,961.39
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Solution
The fourth proportional to 887,416.42, 1,224,731.96 and 514,961.39 is: 710,703.18
Step by Step Solution
- Step 1: Write the proportion equation
887,416.42 : 1,224,731.96 = 514,961.39 : x - Step 2: Convert to fraction form
887,416.42/1,224,731.96 = 514,961.39/x - Step 3: Cross multiply
887,416.42x = 1,224,731.96 × 514,961.39 - Step 4: Simplify right side
887,416.42x = 630,689,672,986.05 - Step 5: Solve for x
x = 630,689,672,986.05/887,416.42 - Step 6: Final answer
x = 710,703.18
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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.