Finding the Fourth Proportional to 545,612.99, 752,983.76 and 330,762.11
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Solution
The fourth proportional to 545,612.99, 752,983.76 and 330,762.11 is: 456,474.65
Step by Step Solution
- Step 1: Write the proportion equation
545,612.99 : 752,983.76 = 330,762.11 : x - Step 2: Convert to fraction form
545,612.99/752,983.76 = 330,762.11/x - Step 3: Cross multiply
545,612.99x = 752,983.76 × 330,762.11 - Step 4: Simplify right side
545,612.99x = 249,058,494,315.32 - Step 5: Solve for x
x = 249,058,494,315.32/545,612.99 - Step 6: Final answer
x = 456,474.65
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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.