Finding the Fourth Proportional to 657,731.99, 907,054.16 and 436,578.16
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Solution
The fourth proportional to 657,731.99, 907,054.16 and 436,578.16 is: 602,068.99
Step by Step Solution
- Step 1: Write the proportion equation
657,731.99 : 907,054.16 = 436,578.16 : x - Step 2: Convert to fraction form
657,731.99/907,054.16 = 436,578.16/x - Step 3: Cross multiply
657,731.99x = 907,054.16 × 436,578.16 - Step 4: Simplify right side
657,731.99x = 396,000,036,193.15 - Step 5: Solve for x
x = 396,000,036,193.15/657,731.99 - Step 6: Final answer
x = 602,068.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.