Finding the Fourth Proportional to 977,622.58, 1,349,116.05 and 569,965.78
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Solution
The fourth proportional to 977,622.58, 1,349,116.05 and 569,965.78 is: 786,550.96
Step by Step Solution
- Step 1: Write the proportion equation
977,622.58 : 1,349,116.05 = 569,965.78 : x - Step 2: Convert to fraction form
977,622.58/1,349,116.05 = 569,965.78/x - Step 3: Cross multiply
977,622.58x = 1,349,116.05 × 569,965.78 - Step 4: Simplify right side
977,622.58x = 768,949,981,748.77 - Step 5: Solve for x
x = 768,949,981,748.77/977,622.58 - Step 6: Final answer
x = 786,550.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.