Finding the Fourth Proportional to 575,135.70, 862,703.55 and 326,303.70
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Solution
The fourth proportional to 575,135.70, 862,703.55 and 326,303.70 is: 489,455.55
Step by Step Solution
- Step 1: Write the proportion equation
575,135.70 : 862,703.55 = 326,303.70 : x - Step 2: Convert to fraction form
575,135.70/862,703.55 = 326,303.70/x - Step 3: Cross multiply
575,135.70x = 862,703.55 × 326,303.70 - Step 4: Simplify right side
575,135.70x = 281,503,360,368.14 - Step 5: Solve for x
x = 281,503,360,368.14/575,135.70 - Step 6: Final answer
x = 489,455.55
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Similar ratio
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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.