Finding the Fourth Proportional to 1,006,880.98, 1,510,090.68 and 287,208.99
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Solution
The fourth proportional to 1,006,880.98, 1,510,090.68 and 287,208.99 is: 430,747.64
Step by Step Solution
- Step 1: Write the proportion equation
1,006,880.98 : 1,510,090.68 = 287,208.99 : x - Step 2: Convert to fraction form
1,006,880.98/1,510,090.68 = 287,208.99/x - Step 3: Cross multiply
1,006,880.98x = 1,510,090.68 × 287,208.99 - Step 4: Simplify right side
1,006,880.98x = 433,711,610,024.72 - Step 5: Solve for x
x = 433,711,610,024.72/1,006,880.98 - Step 6: Final answer
x = 430,747.64
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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.