Finding the Fourth Proportional to 688,937.58, 950,618.97 and 383,005.44
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Solution
The fourth proportional to 688,937.58, 950,618.97 and 383,005.44 is: 528,483.64
Step by Step Solution
- Step 1: Write the proportion equation
688,937.58 : 950,618.97 = 383,005.44 : x - Step 2: Convert to fraction form
688,937.58/950,618.97 = 383,005.44/x - Step 3: Cross multiply
688,937.58x = 950,618.97 × 383,005.44 - Step 4: Simplify right side
688,937.58x = 364,092,236,877.20 - Step 5: Solve for x
x = 364,092,236,877.20/688,937.58 - Step 6: Final answer
x = 528,483.64
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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.