Finding the Fourth Proportional to 839,470.08, 1,259,235.84 and 340,823.04
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Solution
The fourth proportional to 839,470.08, 1,259,235.84 and 340,823.04 is: 511,247.03
Step by Step Solution
- Step 1: Write the proportion equation
839,470.08 : 1,259,235.84 = 340,823.04 : x - Step 2: Convert to fraction form
839,470.08/1,259,235.84 = 340,823.04/x - Step 3: Cross multiply
839,470.08x = 1,259,235.84 × 340,823.04 - Step 4: Simplify right side
839,470.08x = 429,176,587,065.75 - Step 5: Solve for x
x = 429,176,587,065.75/839,470.08 - Step 6: Final answer
x = 511,247.03
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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.