Finding the Fourth Proportional to 561,528.13, 774,689.07 and 346,294.57
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Solution
The fourth proportional to 561,528.13, 774,689.07 and 346,294.57 is: 477,750.99
Step by Step Solution
- Step 1: Write the proportion equation
561,528.13 : 774,689.07 = 346,294.57 : x - Step 2: Convert to fraction form
561,528.13/774,689.07 = 346,294.57/x - Step 3: Cross multiply
561,528.13x = 774,689.07 × 346,294.57 - Step 4: Simplify right side
561,528.13x = 268,270,618,379.35 - Step 5: Solve for x
x = 268,270,618,379.35/561,528.13 - Step 6: Final answer
x = 477,750.99
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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.