Finding the Fourth Proportional to 684,246.59, 1,023,827.49 and 430,341.38
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Solution
The fourth proportional to 684,246.59, 1,023,827.49 and 430,341.38 is: 643,913.09
Step by Step Solution
- Step 1: Write the proportion equation
684,246.59 : 1,023,827.49 = 430,341.38 : x - Step 2: Convert to fraction form
684,246.59/1,023,827.49 = 430,341.38/x - Step 3: Cross multiply
684,246.59x = 1,023,827.49 × 430,341.38 - Step 4: Simplify right side
684,246.59x = 440,595,329,809.40 - Step 5: Solve for x
x = 440,595,329,809.40/684,246.59 - Step 6: Final answer
x = 643,913.09
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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.