Finding the Fourth Proportional to 698,773.96, 964,303.14 and 396,967.96
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Solution
The fourth proportional to 698,773.96, 964,303.14 and 396,967.96 is: 547,812.99
Step by Step Solution
- Step 1: Write the proportion equation
698,773.96 : 964,303.14 = 396,967.96 : x - Step 2: Convert to fraction form
698,773.96/964,303.14 = 396,967.96/x - Step 3: Cross multiply
698,773.96x = 964,303.14 × 396,967.96 - Step 4: Simplify right side
698,773.96x = 382,797,450,307.39 - Step 5: Solve for x
x = 382,797,450,307.39/698,773.96 - Step 6: Final answer
x = 547,812.99
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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.