Finding the Fourth Proportional to 955,162.12, 1,318,157.91 and 547,342.71
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Solution
The fourth proportional to 955,162.12, 1,318,157.91 and 547,342.71 is: 755,352.53
Step by Step Solution
- Step 1: Write the proportion equation
955,162.12 : 1,318,157.91 = 547,342.71 : x - Step 2: Convert to fraction form
955,162.12/1,318,157.91 = 547,342.71/x - Step 3: Cross multiply
955,162.12x = 1,318,157.91 × 547,342.71 - Step 4: Simplify right side
955,162.12x = 721,484,122,667.34 - Step 5: Solve for x
x = 721,484,122,667.34/955,162.12 - Step 6: Final answer
x = 755,352.53
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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.