Finding the Fourth Proportional to 782,339.84, 1,078,714.56 and 725,652.80
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Solution
The fourth proportional to 782,339.84, 1,078,714.56 and 725,652.80 is: 1,000,552.70
Step by Step Solution
- Step 1: Write the proportion equation
782,339.84 : 1,078,714.56 = 725,652.80 : x - Step 2: Convert to fraction form
782,339.84/1,078,714.56 = 725,652.80/x - Step 3: Cross multiply
782,339.84x = 1,078,714.56 × 725,652.80 - Step 4: Simplify right side
782,339.84x = 782,772,240,864.77 - Step 5: Solve for x
x = 782,772,240,864.77/782,339.84 - Step 6: Final answer
x = 1,000,552.70
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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.