Finding the Fourth Proportional to 687,710.10, 1,029,232.35 and 603,729.30
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Solution
The fourth proportional to 687,710.10, 1,029,232.35 and 603,729.30 is: 903,546.02
Step by Step Solution
- Step 1: Write the proportion equation
687,710.10 : 1,029,232.35 = 603,729.30 : x - Step 2: Convert to fraction form
687,710.10/1,029,232.35 = 603,729.30/x - Step 3: Cross multiply
687,710.10x = 1,029,232.35 × 603,729.30 - Step 4: Simplify right side
687,710.10x = 621,377,726,202.86 - Step 5: Solve for x
x = 621,377,726,202.86/687,710.10 - Step 6: Final answer
x = 903,546.02
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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.