Finding the Fourth Proportional to 839,232.68, 1,257,727.98 and 306,252.68
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Solution
The fourth proportional to 839,232.68, 1,257,727.98 and 306,252.68 is: 458,969.93
Step by Step Solution
- Step 1: Write the proportion equation
839,232.68 : 1,257,727.98 = 306,252.68 : x - Step 2: Convert to fraction form
839,232.68/1,257,727.98 = 306,252.68/x - Step 3: Cross multiply
839,232.68x = 1,257,727.98 × 306,252.68 - Step 4: Simplify right side
839,232.68x = 385,182,564,585.99 - Step 5: Solve for x
x = 385,182,564,585.99/839,232.68 - Step 6: Final answer
x = 458,969.93
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1.5x scale
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.