Finding the Fourth Proportional to 1,038,297.90, 1,557,301.05 and 328,397.70
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Solution
The fourth proportional to 1,038,297.90, 1,557,301.05 and 328,397.70 is: 492,550.44
Step by Step Solution
- Step 1: Write the proportion equation
1,038,297.90 : 1,557,301.05 = 328,397.70 : x - Step 2: Convert to fraction form
1,038,297.90/1,557,301.05 = 328,397.70/x - Step 3: Cross multiply
1,038,297.90x = 1,557,301.05 × 328,397.70 - Step 4: Simplify right side
1,038,297.90x = 511,414,083,027.59 - Step 5: Solve for x
x = 511,414,083,027.59/1,038,297.90 - Step 6: Final answer
x = 492,550.44
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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.