Finding the Fourth Proportional to 1,357,351.42, 2,035,690.71 and 458,773.20
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Solution
The fourth proportional to 1,357,351.42, 2,035,690.71 and 458,773.20 is: 688,046.09
Step by Step Solution
- Step 1: Write the proportion equation
1,357,351.42 : 2,035,690.71 = 458,773.20 : x - Step 2: Convert to fraction form
1,357,351.42/2,035,690.71 = 458,773.20/x - Step 3: Cross multiply
1,357,351.42x = 2,035,690.71 × 458,773.20 - Step 4: Simplify right side
1,357,351.42x = 933,920,341,236.97 - Step 5: Solve for x
x = 933,920,341,236.97/1,357,351.42 - Step 6: Final answer
x = 688,046.09
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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.