Finding the Fourth Proportional to 640,484.58, 959,950.02 and 470,428.05
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Solution
The fourth proportional to 640,484.58, 959,950.02 and 470,428.05 is: 705,071.49
Step by Step Solution
- Step 1: Write the proportion equation
640,484.58 : 959,950.02 = 470,428.05 : x - Step 2: Convert to fraction form
640,484.58/959,950.02 = 470,428.05/x - Step 3: Cross multiply
640,484.58x = 959,950.02 × 470,428.05 - Step 4: Simplify right side
640,484.58x = 451,587,416,006.06 - Step 5: Solve for x
x = 451,587,416,006.06/640,484.58 - Step 6: Final answer
x = 705,071.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.