Finding the Fourth Proportional to 979,392.42, 1,351,693.42 and 549,696.06
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Solution
The fourth proportional to 979,392.42, 1,351,693.42 and 549,696.06 is: 758,654.58
Step by Step Solution
- Step 1: Write the proportion equation
979,392.42 : 1,351,693.42 = 549,696.06 : x - Step 2: Convert to fraction form
979,392.42/1,351,693.42 = 549,696.06/x - Step 3: Cross multiply
979,392.42x = 1,351,693.42 × 549,696.06 - Step 4: Simplify right side
979,392.42x = 743,020,547,301.93 - Step 5: Solve for x
x = 743,020,547,301.93/979,392.42 - Step 6: Final answer
x = 758,654.58
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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.