Finding the Fourth Proportional to 687,745.08, 1,030,275.52 and 450,368.10
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Solution
The fourth proportional to 687,745.08, 1,030,275.52 and 450,368.10 is: 674,673.28
Step by Step Solution
- Step 1: Write the proportion equation
687,745.08 : 1,030,275.52 = 450,368.10 : x - Step 2: Convert to fraction form
687,745.08/1,030,275.52 = 450,368.10/x - Step 3: Cross multiply
687,745.08x = 1,030,275.52 × 450,368.10 - Step 4: Simplify right side
687,745.08x = 464,003,227,292.99 - Step 5: Solve for x
x = 464,003,227,292.99/687,745.08 - Step 6: Final answer
x = 674,673.28
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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.