Finding the Fourth Proportional to 657,058.76, 906,742.44 and 355,252.76
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Solution
The fourth proportional to 657,058.76, 906,742.44 and 355,252.76 is: 490,249.54
Step by Step Solution
- Step 1: Write the proportion equation
657,058.76 : 906,742.44 = 355,252.76 : x - Step 2: Convert to fraction form
657,058.76/906,742.44 = 355,252.76/x - Step 3: Cross multiply
657,058.76x = 906,742.44 × 355,252.76 - Step 4: Simplify right side
657,058.76x = 322,122,754,419.13 - Step 5: Solve for x
x = 322,122,754,419.13/657,058.76 - Step 6: Final answer
x = 490,249.54
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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.