Finding the Fourth Proportional to 586,979.68, 880,864.09 and 207,899.07
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Solution
The fourth proportional to 586,979.68, 880,864.09 and 207,899.07 is: 311,988.36
Step by Step Solution
- Step 1: Write the proportion equation
586,979.68 : 880,864.09 = 207,899.07 : x - Step 2: Convert to fraction form
586,979.68/880,864.09 = 207,899.07/x - Step 3: Cross multiply
586,979.68x = 880,864.09 × 207,899.07 - Step 4: Simplify right side
586,979.68x = 183,130,824,587.65 - Step 5: Solve for x
x = 183,130,824,587.65/586,979.68 - Step 6: Final answer
x = 311,988.36
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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.