Finding the Fourth Proportional to 688,794.84, 950,554.44 and 378,693.63
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Solution
The fourth proportional to 688,794.84, 950,554.44 and 378,693.63 is: 522,606.86
Step by Step Solution
- Step 1: Write the proportion equation
688,794.84 : 950,554.44 = 378,693.63 : x - Step 2: Convert to fraction form
688,794.84/950,554.44 = 378,693.63/x - Step 3: Cross multiply
688,794.84x = 950,554.44 × 378,693.63 - Step 4: Simplify right side
688,794.84x = 359,968,911,396.22 - Step 5: Solve for x
x = 359,968,911,396.22/688,794.84 - Step 6: Final answer
x = 522,606.86
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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.