Finding the Fourth Proportional to 688,927.58, 950,605.14 and 382,995.44
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Solution
The fourth proportional to 688,927.58, 950,605.14 and 382,995.44 is: 528,469.82
Step by Step Solution
- Step 1: Write the proportion equation
688,927.58 : 950,605.14 = 382,995.44 : x - Step 2: Convert to fraction form
688,927.58/950,605.14 = 382,995.44/x - Step 3: Cross multiply
688,927.58x = 950,605.14 × 382,995.44 - Step 4: Simplify right side
688,927.58x = 364,077,433,860.56 - Step 5: Solve for x
x = 364,077,433,860.56/688,927.58 - Step 6: Final answer
x = 528,469.82
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1.5x scale
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.