Finding the Fourth Proportional to 840,947.96, 1,160,330.86 and 534,913.08
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Solution
The fourth proportional to 840,947.96, 1,160,330.86 and 534,913.08 is: 738,067.26
Step by Step Solution
- Step 1: Write the proportion equation
840,947.96 : 1,160,330.86 = 534,913.08 : x - Step 2: Convert to fraction form
840,947.96/1,160,330.86 = 534,913.08/x - Step 3: Cross multiply
840,947.96x = 1,160,330.86 × 534,913.08 - Step 4: Simplify right side
840,947.96x = 620,676,154,141.65 - Step 5: Solve for x
x = 620,676,154,141.65/840,947.96 - Step 6: Final answer
x = 738,067.26
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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.