Finding the Fourth Proportional to 887,813.63, 1,224,378.48 and 581,778.86
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Solution
The fourth proportional to 887,813.63, 1,224,378.48 and 581,778.86 is: 802,327.75
Step by Step Solution
- Step 1: Write the proportion equation
887,813.63 : 1,224,378.48 = 581,778.86 : x - Step 2: Convert to fraction form
887,813.63/1,224,378.48 = 581,778.86/x - Step 3: Cross multiply
887,813.63x = 1,224,378.48 × 581,778.86 - Step 4: Simplify right side
887,813.63x = 712,317,512,362.71 - Step 5: Solve for x
x = 712,317,512,362.71/887,813.63 - Step 6: Final answer
x = 802,327.75
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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.