Finding the Fourth Proportional to 522,378.93, 720,577.50 and 328,479.76
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Solution
The fourth proportional to 522,378.93, 720,577.50 and 328,479.76 is: 453,110.02
Step by Step Solution
- Step 1: Write the proportion equation
522,378.93 : 720,577.50 = 328,479.76 : x - Step 2: Convert to fraction form
522,378.93/720,577.50 = 328,479.76/x - Step 3: Cross multiply
522,378.93x = 720,577.50 × 328,479.76 - Step 4: Simplify right side
522,378.93x = 236,695,127,804.65 - Step 5: Solve for x
x = 236,695,127,804.65/522,378.93 - Step 6: Final answer
x = 453,110.02
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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.