Finding the Fourth Proportional to 660,575.13, 911,598.35 and 358,769.13
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Solution
The fourth proportional to 660,575.13, 911,598.35 and 358,769.13 is: 495,103.94
Step by Step Solution
- Step 1: Write the proportion equation
660,575.13 : 911,598.35 = 358,769.13 : x - Step 2: Convert to fraction form
660,575.13/911,598.35 = 358,769.13/x - Step 3: Cross multiply
660,575.13x = 911,598.35 × 358,769.13 - Step 4: Simplify right side
660,575.13x = 327,053,346,938.94 - Step 5: Solve for x
x = 327,053,346,938.94/660,575.13 - Step 6: Final answer
x = 495,103.94
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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.