Finding the Fourth Proportional to 1,476,176.70, 2,214,265.05 and 478,904.70
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Solution
The fourth proportional to 1,476,176.70, 2,214,265.05 and 478,904.70 is: 718,357.05
Step by Step Solution
- Step 1: Write the proportion equation
1,476,176.70 : 2,214,265.05 = 478,904.70 : x - Step 2: Convert to fraction form
1,476,176.70/2,214,265.05 = 478,904.70/x - Step 3: Cross multiply
1,476,176.70x = 2,214,265.05 × 478,904.70 - Step 4: Simplify right side
1,476,176.70x = 1,060,421,939,490.74 - Step 5: Solve for x
x = 1,060,421,939,490.74/1,476,176.70 - Step 6: Final answer
x = 718,357.05
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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.