Finding the Fourth Proportional to 887,858.24, 1,224,965.20 and 543,335
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Solution
The fourth proportional to 887,858.24, 1,224,965.20 and 543,335 is: 749,631.46
Step by Step Solution
- Step 1: Write the proportion equation
887,858.24 : 1,224,965.20 = 543,335 : x - Step 2: Convert to fraction form
887,858.24/1,224,965.20 = 543,335/x - Step 3: Cross multiply
887,858.24x = 1,224,965.20 × 543,335 - Step 4: Simplify right side
887,858.24x = 665,566,466,942 - Step 5: Solve for x
x = 665,566,466,942/887,858.24 - Step 6: Final answer
x = 749,631.46
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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.