Finding the Fourth Proportional to 611,579.70, 917,369.55 and 611,579.70
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Solution
The fourth proportional to 611,579.70, 917,369.55 and 611,579.70 is: 917,369.55
Step by Step Solution
- Step 1: Write the proportion equation
611,579.70 : 917,369.55 = 611,579.70 : x - Step 2: Convert to fraction form
611,579.70/917,369.55 = 611,579.70/x - Step 3: Cross multiply
611,579.70x = 917,369.55 × 611,579.70 - Step 4: Simplify right side
611,579.70x = 561,044,594,178.14 - Step 5: Solve for x
x = 561,044,594,178.14/611,579.70 - Step 6: Final answer
x = 917,369.55
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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.