Finding the Fourth Proportional to 1,377,319.98, 2,065,902.21 and 430,579.02
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Solution
The fourth proportional to 1,377,319.98, 2,065,902.21 and 430,579.02 is: 645,844.22
Step by Step Solution
- Step 1: Write the proportion equation
1,377,319.98 : 2,065,902.21 = 430,579.02 : x - Step 2: Convert to fraction form
1,377,319.98/2,065,902.21 = 430,579.02/x - Step 3: Cross multiply
1,377,319.98x = 2,065,902.21 × 430,579.02 - Step 4: Simplify right side
1,377,319.98x = 889,534,148,997.63 - Step 5: Solve for x
x = 889,534,148,997.63/1,377,319.98 - Step 6: Final answer
x = 645,844.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.