Finding the Fourth Proportional to 692,245.70, 1,036,618.95 and 552,277.70
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Solution
The fourth proportional to 692,245.70, 1,036,618.95 and 552,277.70 is: 827,020.71
Step by Step Solution
- Step 1: Write the proportion equation
692,245.70 : 1,036,618.95 = 552,277.70 : x - Step 2: Convert to fraction form
692,245.70/1,036,618.95 = 552,277.70/x - Step 3: Cross multiply
692,245.70x = 1,036,618.95 × 552,277.70 - Step 4: Simplify right side
692,245.70x = 572,501,529,482.42 - Step 5: Solve for x
x = 572,501,529,482.42/692,245.70 - Step 6: Final answer
x = 827,020.71
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1.5x scale
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.