Finding the Fourth Proportional to 887,135.82, 1,224,246.24 and 505,162.62
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Solution
The fourth proportional to 887,135.82, 1,224,246.24 and 505,162.62 is: 697,123.74
Step by Step Solution
- Step 1: Write the proportion equation
887,135.82 : 1,224,246.24 = 505,162.62 : x - Step 2: Convert to fraction form
887,135.82/1,224,246.24 = 505,162.62/x - Step 3: Cross multiply
887,135.82x = 1,224,246.24 × 505,162.62 - Step 4: Simplify right side
887,135.82x = 618,443,438,123.55 - Step 5: Solve for x
x = 618,443,438,123.55/887,135.82 - Step 6: Final answer
x = 697,123.74
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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.