Finding the Fourth Proportional to 688,227.05, 949,779.98 and 382,326.65
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Solution
The fourth proportional to 688,227.05, 949,779.98 and 382,326.65 is: 527,625.59
Step by Step Solution
- Step 1: Write the proportion equation
688,227.05 : 949,779.98 = 382,326.65 : x - Step 2: Convert to fraction form
688,227.05/949,779.98 = 382,326.65/x - Step 3: Cross multiply
688,227.05x = 949,779.98 × 382,326.65 - Step 4: Simplify right side
688,227.05x = 363,126,201,320.73 - Step 5: Solve for x
x = 363,126,201,320.73/688,227.05 - Step 6: Final answer
x = 527,625.59
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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.