Finding the Fourth Proportional to 539,089.35, 744,182.42 and 348,195.84
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Solution
The fourth proportional to 539,089.35, 744,182.42 and 348,195.84 is: 480,664.70
Step by Step Solution
- Step 1: Write the proportion equation
539,089.35 : 744,182.42 = 348,195.84 : x - Step 2: Convert to fraction form
539,089.35/744,182.42 = 348,195.84/x - Step 3: Cross multiply
539,089.35x = 744,182.42 × 348,195.84 - Step 4: Simplify right side
539,089.35x = 259,121,221,104.15 - Step 5: Solve for x
x = 259,121,221,104.15/539,089.35 - Step 6: Final answer
x = 480,664.70
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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.