Finding the Fourth Proportional to 565,596.18, 780,515.73 and 310,945.14
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Solution
The fourth proportional to 565,596.18, 780,515.73 and 310,945.14 is: 429,100.45
Step by Step Solution
- Step 1: Write the proportion equation
565,596.18 : 780,515.73 = 310,945.14 : x - Step 2: Convert to fraction form
565,596.18/780,515.73 = 310,945.14/x - Step 3: Cross multiply
565,596.18x = 780,515.73 × 310,945.14 - Step 4: Simplify right side
565,596.18x = 242,697,572,937.05 - Step 5: Solve for x
x = 242,697,572,937.05/565,596.18 - Step 6: Final answer
x = 429,100.45
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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.