Finding the Fourth Proportional to 519,058.08, 716,297.76 and 280,594.08
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Solution
The fourth proportional to 519,058.08, 716,297.76 and 280,594.08 is: 387,218.54
Step by Step Solution
- Step 1: Write the proportion equation
519,058.08 : 716,297.76 = 280,594.08 : x - Step 2: Convert to fraction form
519,058.08/716,297.76 = 280,594.08/x - Step 3: Cross multiply
519,058.08x = 716,297.76 × 280,594.08 - Step 4: Simplify right side
519,058.08x = 200,988,910,973.26 - Step 5: Solve for x
x = 200,988,910,973.26/519,058.08 - Step 6: Final answer
x = 387,218.54
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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.