Finding the Fourth Proportional to 621,320.14, 930,485.49 and 354,271.06
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Solution
The fourth proportional to 621,320.14, 930,485.49 and 354,271.06 is: 530,554.31
Step by Step Solution
- Step 1: Write the proportion equation
621,320.14 : 930,485.49 = 354,271.06 : x - Step 2: Convert to fraction form
621,320.14/930,485.49 = 354,271.06/x - Step 3: Cross multiply
621,320.14x = 930,485.49 × 354,271.06 - Step 4: Simplify right side
621,320.14x = 329,644,080,856.92 - Step 5: Solve for x
x = 329,644,080,856.92/621,320.14 - Step 6: Final answer
x = 530,554.31
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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.