Finding the Fourth Proportional to 708,158.10, 1,062,551.15 and 371,118.62
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Solution
The fourth proportional to 708,158.10, 1,062,551.15 and 371,118.62 is: 556,842.49
Step by Step Solution
- Step 1: Write the proportion equation
708,158.10 : 1,062,551.15 = 371,118.62 : x - Step 2: Convert to fraction form
708,158.10/1,062,551.15 = 371,118.62/x - Step 3: Cross multiply
708,158.10x = 1,062,551.15 × 371,118.62 - Step 4: Simplify right side
708,158.10x = 394,332,518,659.89 - Step 5: Solve for x
x = 394,332,518,659.89/708,158.10 - Step 6: Final answer
x = 556,842.49
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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.