Finding the Fourth Proportional to 1,038,605.99, 1,557,753.06 and 328,541.75
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Solution
The fourth proportional to 1,038,605.99, 1,557,753.06 and 328,541.75 is: 492,763.30
Step by Step Solution
- Step 1: Write the proportion equation
1,038,605.99 : 1,557,753.06 = 328,541.75 : x - Step 2: Convert to fraction form
1,038,605.99/1,557,753.06 = 328,541.75/x - Step 3: Cross multiply
1,038,605.99x = 1,557,753.06 × 328,541.75 - Step 4: Simplify right side
1,038,605.99x = 511,786,916,400.26 - Step 5: Solve for x
x = 511,786,916,400.26/1,038,605.99 - Step 6: Final answer
x = 492,763.30
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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.