Finding the Fourth Proportional to 887,416.11, 1,224,731.53 and 514,961.08
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Solution
The fourth proportional to 887,416.11, 1,224,731.53 and 514,961.08 is: 710,702.75
Step by Step Solution
- Step 1: Write the proportion equation
887,416.11 : 1,224,731.53 = 514,961.08 : x - Step 2: Convert to fraction form
887,416.11/1,224,731.53 = 514,961.08/x - Step 3: Cross multiply
887,416.11x = 1,224,731.53 × 514,961.08 - Step 4: Simplify right side
887,416.11x = 630,689,071,398.85 - Step 5: Solve for x
x = 630,689,071,398.85/887,416.11 - Step 6: Final answer
x = 710,702.75
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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.