Finding the Fourth Proportional to 586,863.12, 880,621.76 and 316,985.81
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Solution
The fourth proportional to 586,863.12, 880,621.76 and 316,985.81 is: 475,655.39
Step by Step Solution
- Step 1: Write the proportion equation
586,863.12 : 880,621.76 = 316,985.81 : x - Step 2: Convert to fraction form
586,863.12/880,621.76 = 316,985.81/x - Step 3: Cross multiply
586,863.12x = 880,621.76 × 316,985.81 - Step 4: Simplify right side
586,863.12x = 279,144,604,891.25 - Step 5: Solve for x
x = 279,144,604,891.25/586,863.12 - Step 6: Final answer
x = 475,655.39
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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.