Finding the Fourth Proportional to 539,101.10, 808,651.65 and 512,857.10
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Solution
The fourth proportional to 539,101.10, 808,651.65 and 512,857.10 is: 769,285.65
Step by Step Solution
- Step 1: Write the proportion equation
539,101.10 : 808,651.65 = 512,857.10 : x - Step 2: Convert to fraction form
539,101.10/808,651.65 = 512,857.10/x - Step 3: Cross multiply
539,101.10x = 808,651.65 × 512,857.10 - Step 4: Simplify right side
539,101.10x = 414,722,740,129.22 - Step 5: Solve for x
x = 414,722,740,129.22/539,101.10 - Step 6: Final answer
x = 769,285.65
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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.