Finding the Fourth Proportional to 633,393.98, 874,074.66 and 361,547.99
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Solution
The fourth proportional to 633,393.98, 874,074.66 and 361,547.99 is: 498,931.07
Step by Step Solution
- Step 1: Write the proportion equation
633,393.98 : 874,074.66 = 361,547.99 : x - Step 2: Convert to fraction form
633,393.98/874,074.66 = 361,547.99/x - Step 3: Cross multiply
633,393.98x = 874,074.66 × 361,547.99 - Step 4: Simplify right side
633,393.98x = 316,019,932,062.56 - Step 5: Solve for x
x = 316,019,932,062.56/633,393.98 - Step 6: Final answer
x = 498,931.07
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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.