Finding the Fourth Proportional to 513,112.19, 769,342.29 and 450,058.93
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Solution
The fourth proportional to 513,112.19, 769,342.29 and 450,058.93 is: 674,802.46
Step by Step Solution
- Step 1: Write the proportion equation
513,112.19 : 769,342.29 = 450,058.93 : x - Step 2: Convert to fraction form
513,112.19/769,342.29 = 450,058.93/x - Step 3: Cross multiply
513,112.19x = 769,342.29 × 450,058.93 - Step 4: Simplify right side
513,112.19x = 346,249,370,456.31 - Step 5: Solve for x
x = 346,249,370,456.31/513,112.19 - Step 6: Final answer
x = 674,802.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.