Finding the Fourth Proportional to 839,257.93, 1,259,011.98 and 299,472.13
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Solution
The fourth proportional to 839,257.93, 1,259,011.98 and 299,472.13 is: 449,252.83
Step by Step Solution
- Step 1: Write the proportion equation
839,257.93 : 1,259,011.98 = 299,472.13 : x - Step 2: Convert to fraction form
839,257.93/1,259,011.98 = 299,472.13/x - Step 3: Cross multiply
839,257.93x = 1,259,011.98 × 299,472.13 - Step 4: Simplify right side
839,257.93x = 377,038,999,346.12 - Step 5: Solve for x
x = 377,038,999,346.12/839,257.93 - Step 6: Final answer
x = 449,252.83
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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.