Finding the Fourth Proportional to 539,445.39, 744,430.97 and 297,727.96
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Solution
The fourth proportional to 539,445.39, 744,430.97 and 297,727.96 is: 410,862.56
Step by Step Solution
- Step 1: Write the proportion equation
539,445.39 : 744,430.97 = 297,727.96 : x - Step 2: Convert to fraction form
539,445.39/744,430.97 = 297,727.96/x - Step 3: Cross multiply
539,445.39x = 744,430.97 × 297,727.96 - Step 4: Simplify right side
539,445.39x = 221,637,914,058.92 - Step 5: Solve for x
x = 221,637,914,058.92/539,445.39 - Step 6: Final answer
x = 410,862.56
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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.