Finding the Fourth Proportional to 752,940.16, 1,039,058.56 and 413,430.08
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Solution
The fourth proportional to 752,940.16, 1,039,058.56 and 413,430.08 is: 570,534.14
Step by Step Solution
- Step 1: Write the proportion equation
752,940.16 : 1,039,058.56 = 413,430.08 : x - Step 2: Convert to fraction form
752,940.16/1,039,058.56 = 413,430.08/x - Step 3: Cross multiply
752,940.16x = 1,039,058.56 × 413,430.08 - Step 4: Simplify right side
752,940.16x = 429,578,063,585.49 - Step 5: Solve for x
x = 429,578,063,585.49/752,940.16 - Step 6: Final answer
x = 570,534.14
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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.