Finding the Fourth Proportional to 612,305.80, 917,562.30 and 549,125.80
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Solution
The fourth proportional to 612,305.80, 917,562.30 and 549,125.80 is: 822,884.79
Step by Step Solution
- Step 1: Write the proportion equation
612,305.80 : 917,562.30 = 549,125.80 : x - Step 2: Convert to fraction form
612,305.80/917,562.30 = 549,125.80/x - Step 3: Cross multiply
612,305.80x = 917,562.30 × 549,125.80 - Step 4: Simplify right side
612,305.80x = 503,857,132,037.34 - Step 5: Solve for x
x = 503,857,132,037.34/612,305.80 - Step 6: Final answer
x = 822,884.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.