Finding the Fourth Proportional to 886,920.80, 1,330,381.20 and 532,335.20
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Solution
The fourth proportional to 886,920.80, 1,330,381.20 and 532,335.20 is: 798,502.80
Step by Step Solution
- Step 1: Write the proportion equation
886,920.80 : 1,330,381.20 = 532,335.20 : x - Step 2: Convert to fraction form
886,920.80/1,330,381.20 = 532,335.20/x - Step 3: Cross multiply
886,920.80x = 1,330,381.20 × 532,335.20 - Step 4: Simplify right side
886,920.80x = 708,208,742,178.24 - Step 5: Solve for x
x = 708,208,742,178.24/886,920.80 - Step 6: Final answer
x = 798,502.80
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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.