Finding the Fourth Proportional to 689,740.04, 1,034,653.80 and 216,444.08
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Solution
The fourth proportional to 689,740.04, 1,034,653.80 and 216,444.08 is: 324,679.85
Step by Step Solution
- Step 1: Write the proportion equation
689,740.04 : 1,034,653.80 = 216,444.08 : x - Step 2: Convert to fraction form
689,740.04/1,034,653.80 = 216,444.08/x - Step 3: Cross multiply
689,740.04x = 1,034,653.80 × 216,444.08 - Step 4: Simplify right side
689,740.04x = 223,944,693,257.80 - Step 5: Solve for x
x = 223,944,693,257.80/689,740.04 - Step 6: Final answer
x = 324,679.85
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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.