Finding the Fourth Proportional to 549,603.80, 824,405.70 and 409,635.80
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Solution
The fourth proportional to 549,603.80, 824,405.70 and 409,635.80 is: 614,453.70
Step by Step Solution
- Step 1: Write the proportion equation
549,603.80 : 824,405.70 = 409,635.80 : x - Step 2: Convert to fraction form
549,603.80/824,405.70 = 409,635.80/x - Step 3: Cross multiply
549,603.80x = 824,405.70 × 409,635.80 - Step 4: Simplify right side
549,603.80x = 337,706,088,444.06 - Step 5: Solve for x
x = 337,706,088,444.06/549,603.80 - Step 6: Final answer
x = 614,453.70
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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.