Finding the Fourth Proportional to 473,382.80, 710,592.60 and 263,430.80
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Solution
The fourth proportional to 473,382.80, 710,592.60 and 263,430.80 is: 395,434.68
Step by Step Solution
- Step 1: Write the proportion equation
473,382.80 : 710,592.60 = 263,430.80 : x - Step 2: Convert to fraction form
473,382.80/710,592.60 = 263,430.80/x - Step 3: Cross multiply
473,382.80x = 710,592.60 × 263,430.80 - Step 4: Simplify right side
473,382.80x = 187,191,977,092.08 - Step 5: Solve for x
x = 187,191,977,092.08/473,382.80 - Step 6: Final answer
x = 395,434.68
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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.