Finding the Fourth Proportional to 715,276.50, 1,073,406.84 and 294,552.36
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Solution
The fourth proportional to 715,276.50, 1,073,406.84 and 294,552.36 is: 442,031.18
Step by Step Solution
- Step 1: Write the proportion equation
715,276.50 : 1,073,406.84 = 294,552.36 : x - Step 2: Convert to fraction form
715,276.50/1,073,406.84 = 294,552.36/x - Step 3: Cross multiply
715,276.50x = 1,073,406.84 × 294,552.36 - Step 4: Simplify right side
715,276.50x = 316,174,517,962.14 - Step 5: Solve for x
x = 316,174,517,962.14/715,276.50 - Step 6: Final answer
x = 442,031.18
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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.