Finding the Fourth Proportional to 887,509.70, 1,331,264.55 and 887,509.70
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Solution
The fourth proportional to 887,509.70, 1,331,264.55 and 887,509.70 is: 1,331,264.55
Step by Step Solution
- Step 1: Write the proportion equation
887,509.70 : 1,331,264.55 = 887,509.70 : x - Step 2: Convert to fraction form
887,509.70/1,331,264.55 = 887,509.70/x - Step 3: Cross multiply
887,509.70x = 1,331,264.55 × 887,509.70 - Step 4: Simplify right side
887,509.70x = 1,181,510,201,391.14 - Step 5: Solve for x
x = 1,181,510,201,391.14/887,509.70 - Step 6: Final answer
x = 1,331,264.55
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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.