Finding the Fourth Proportional to 762,603.10, 1,052,425.24 and 456,621.07
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Solution
The fourth proportional to 762,603.10, 1,052,425.24 and 456,621.07 is: 630,156.81
Step by Step Solution
- Step 1: Write the proportion equation
762,603.10 : 1,052,425.24 = 456,621.07 : x - Step 2: Convert to fraction form
762,603.10/1,052,425.24 = 456,621.07/x - Step 3: Cross multiply
762,603.10x = 1,052,425.24 × 456,621.07 - Step 4: Simplify right side
762,603.10x = 480,559,539,381.24 - Step 5: Solve for x
x = 480,559,539,381.24/762,603.10 - Step 6: Final answer
x = 630,156.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.