Finding the Fourth Proportional to 498,460.10, 687,811.91 and 283,603.75
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Solution
The fourth proportional to 498,460.10, 687,811.91 and 283,603.75 is: 391,337.31
Step by Step Solution
- Step 1: Write the proportion equation
498,460.10 : 687,811.91 = 283,603.75 : x - Step 2: Convert to fraction form
498,460.10/687,811.91 = 283,603.75/x - Step 3: Cross multiply
498,460.10x = 687,811.91 × 283,603.75 - Step 4: Simplify right side
498,460.10x = 195,066,033,833.11 - Step 5: Solve for x
x = 195,066,033,833.11/498,460.10 - Step 6: Final answer
x = 391,337.31
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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.