Finding the Fourth Proportional to 1,454,374.88, 2,181,798.70 and 429,809.12
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Solution
The fourth proportional to 1,454,374.88, 2,181,798.70 and 429,809.12 is: 644,783.53
Step by Step Solution
- Step 1: Write the proportion equation
1,454,374.88 : 2,181,798.70 = 429,809.12 : x - Step 2: Convert to fraction form
1,454,374.88/2,181,798.70 = 429,809.12/x - Step 3: Cross multiply
1,454,374.88x = 2,181,798.70 × 429,809.12 - Step 4: Simplify right side
1,454,374.88x = 937,756,967,280.63 - Step 5: Solve for x
x = 937,756,967,280.63/1,454,374.88 - Step 6: Final answer
x = 644,783.53
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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.