Finding the Fourth Proportional to 842,858.93, 1,264,077.95 and 330,628.18
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Solution
The fourth proportional to 842,858.93, 1,264,077.95 and 330,628.18 is: 495,859.72
Step by Step Solution
- Step 1: Write the proportion equation
842,858.93 : 1,264,077.95 = 330,628.18 : x - Step 2: Convert to fraction form
842,858.93/1,264,077.95 = 330,628.18/x - Step 3: Cross multiply
842,858.93x = 1,264,077.95 × 330,628.18 - Step 4: Simplify right side
842,858.93x = 417,939,791,403.23 - Step 5: Solve for x
x = 417,939,791,403.23/842,858.93 - Step 6: Final answer
x = 495,859.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.