Finding the Fourth Proportional to 963,741.70, 1,445,612.55 and 683,805.70
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Solution
The fourth proportional to 963,741.70, 1,445,612.55 and 683,805.70 is: 1,025,708.55
Step by Step Solution
- Step 1: Write the proportion equation
963,741.70 : 1,445,612.55 = 683,805.70 : x - Step 2: Convert to fraction form
963,741.70/1,445,612.55 = 683,805.70/x - Step 3: Cross multiply
963,741.70x = 1,445,612.55 × 683,805.70 - Step 4: Simplify right side
963,741.70x = 988,518,101,681.54 - Step 5: Solve for x
x = 988,518,101,681.54/963,741.70 - Step 6: Final answer
x = 1,025,708.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.