Finding the Fourth Proportional to 887,415.11, 1,224,730.15 and 514,960.08
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Solution
The fourth proportional to 887,415.11, 1,224,730.15 and 514,960.08 is: 710,701.37
Step by Step Solution
- Step 1: Write the proportion equation
887,415.11 : 1,224,730.15 = 514,960.08 : x - Step 2: Convert to fraction form
887,415.11/1,224,730.15 = 514,960.08/x - Step 3: Cross multiply
887,415.11x = 1,224,730.15 × 514,960.08 - Step 4: Simplify right side
887,415.11x = 630,687,130,142.27 - Step 5: Solve for x
x = 630,687,130,142.27/887,415.11 - Step 6: Final answer
x = 710,701.37
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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.