Finding the Fourth Proportional to 1,257,391.36, 1,885,397.76 and 498,464
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Solution
The fourth proportional to 1,257,391.36, 1,885,397.76 and 498,464 is: 747,422.75
Step by Step Solution
- Step 1: Write the proportion equation
1,257,391.36 : 1,885,397.76 = 498,464 : x - Step 2: Convert to fraction form
1,257,391.36/1,885,397.76 = 498,464/x - Step 3: Cross multiply
1,257,391.36x = 1,885,397.76 × 498,464 - Step 4: Simplify right side
1,257,391.36x = 939,802,909,040.64 - Step 5: Solve for x
x = 939,802,909,040.64/1,257,391.36 - Step 6: Final answer
x = 747,422.75
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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.