Finding the Fourth Proportional to 749,773.44, 1,035,849.60 and 628,701.12
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Solution
The fourth proportional to 749,773.44, 1,035,849.60 and 628,701.12 is: 868,582.12
Step by Step Solution
- Step 1: Write the proportion equation
749,773.44 : 1,035,849.60 = 628,701.12 : x - Step 2: Convert to fraction form
749,773.44/1,035,849.60 = 628,701.12/x - Step 3: Cross multiply
749,773.44x = 1,035,849.60 × 628,701.12 - Step 4: Simplify right side
749,773.44x = 651,239,803,671.55 - Step 5: Solve for x
x = 651,239,803,671.55/749,773.44 - Step 6: Final answer
x = 868,582.12
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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.