Finding the Fourth Proportional to 874,951.21, 1,312,536.30 and 342,403.48
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Solution
The fourth proportional to 874,951.21, 1,312,536.30 and 342,403.48 is: 513,648.07
Step by Step Solution
- Step 1: Write the proportion equation
874,951.21 : 1,312,536.30 = 342,403.48 : x - Step 2: Convert to fraction form
874,951.21/1,312,536.30 = 342,403.48/x - Step 3: Cross multiply
874,951.21x = 1,312,536.30 × 342,403.48 - Step 4: Simplify right side
874,951.21x = 449,416,996,746.32 - Step 5: Solve for x
x = 449,416,996,746.32/874,951.21 - Step 6: Final answer
x = 513,648.07
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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.