Finding the Fourth Proportional to 1,038,603.99, 1,557,750.06 and 328,539.75
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Solution
The fourth proportional to 1,038,603.99, 1,557,750.06 and 328,539.75 is: 492,760.30
Step by Step Solution
- Step 1: Write the proportion equation
1,038,603.99 : 1,557,750.06 = 328,539.75 : x - Step 2: Convert to fraction form
1,038,603.99/1,557,750.06 = 328,539.75/x - Step 3: Cross multiply
1,038,603.99x = 1,557,750.06 × 328,539.75 - Step 4: Simplify right side
1,038,603.99x = 511,782,815,274.89 - Step 5: Solve for x
x = 511,782,815,274.89/1,038,603.99 - Step 6: Final answer
x = 492,760.30
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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.