Finding the Fourth Proportional to 853,797.08, 1,178,139.66 and 471,801.08
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Solution
The fourth proportional to 853,797.08, 1,178,139.66 and 471,801.08 is: 651,030.06
Step by Step Solution
- Step 1: Write the proportion equation
853,797.08 : 1,178,139.66 = 471,801.08 : x - Step 2: Convert to fraction form
853,797.08/1,178,139.66 = 471,801.08/x - Step 3: Cross multiply
853,797.08x = 1,178,139.66 × 471,801.08 - Step 4: Simplify right side
853,797.08x = 555,847,563,978.83 - Step 5: Solve for x
x = 555,847,563,978.83/853,797.08 - Step 6: Final answer
x = 651,030.06
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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.