Finding the Fourth Proportional to 668,731.80, 922,842.18 and 366,925.80
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Solution
The fourth proportional to 668,731.80, 922,842.18 and 366,925.80 is: 506,353.38
Step by Step Solution
- Step 1: Write the proportion equation
668,731.80 : 922,842.18 = 366,925.80 : x - Step 2: Convert to fraction form
668,731.80/922,842.18 = 366,925.80/x - Step 3: Cross multiply
668,731.80x = 922,842.18 × 366,925.80 - Step 4: Simplify right side
668,731.80x = 338,614,605,170.24 - Step 5: Solve for x
x = 338,614,605,170.24/668,731.80 - Step 6: Final answer
x = 506,353.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.