Finding the Fourth Proportional to 761,099.18, 1,050,232.11 and 421,482.38
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Solution
The fourth proportional to 761,099.18, 1,050,232.11 and 421,482.38 is: 581,598.75
Step by Step Solution
- Step 1: Write the proportion equation
761,099.18 : 1,050,232.11 = 421,482.38 : x - Step 2: Convert to fraction form
761,099.18/1,050,232.11 = 421,482.38/x - Step 3: Cross multiply
761,099.18x = 1,050,232.11 × 421,482.38 - Step 4: Simplify right side
761,099.18x = 442,654,329,275.22 - Step 5: Solve for x
x = 442,654,329,275.22/761,099.18 - Step 6: Final answer
x = 581,598.75
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1.5x scale
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.