Finding the Fourth Proportional to 894,854.13, 1,234,898.90 and 492,446.13
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Solution
The fourth proportional to 894,854.13, 1,234,898.90 and 492,446.13 is: 679,575.77
Step by Step Solution
- Step 1: Write the proportion equation
894,854.13 : 1,234,898.90 = 492,446.13 : x - Step 2: Convert to fraction form
894,854.13/1,234,898.90 = 492,446.13/x - Step 3: Cross multiply
894,854.13x = 1,234,898.90 × 492,446.13 - Step 4: Simplify right side
894,854.13x = 608,121,184,246.26 - Step 5: Solve for x
x = 608,121,184,246.26/894,854.13 - Step 6: Final answer
x = 679,575.77
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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.