Finding the Fourth Proportional to 1,006,948.62, 1,510,420.86 and 297,474.84
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Solution
The fourth proportional to 1,006,948.62, 1,510,420.86 and 297,474.84 is: 446,211.65
Step by Step Solution
- Step 1: Write the proportion equation
1,006,948.62 : 1,510,420.86 = 297,474.84 : x - Step 2: Convert to fraction form
1,006,948.62/1,510,420.86 = 297,474.84/x - Step 3: Cross multiply
1,006,948.62x = 1,510,420.86 × 297,474.84 - Step 4: Simplify right side
1,006,948.62x = 449,312,203,661.16 - Step 5: Solve for x
x = 449,312,203,661.16/1,006,948.62 - Step 6: Final answer
x = 446,211.65
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1.5x scale
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.