Finding the Fourth Proportional to 988,897.68, 1,483,345.92 and 938,410.68
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Solution
The fourth proportional to 988,897.68, 1,483,345.92 and 938,410.68 is: 1,407,615.45
Step by Step Solution
- Step 1: Write the proportion equation
988,897.68 : 1,483,345.92 = 938,410.68 : x - Step 2: Convert to fraction form
988,897.68/1,483,345.92 = 938,410.68/x - Step 3: Cross multiply
988,897.68x = 1,483,345.92 × 938,410.68 - Step 4: Simplify right side
988,897.68x = 1,391,987,653,462.43 - Step 5: Solve for x
x = 1,391,987,653,462.43/988,897.68 - Step 6: Final answer
x = 1,407,615.45
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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.