Finding the Fourth Proportional to 877,698.97, 1,316,023.06 and 364,745.55
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Solution
The fourth proportional to 877,698.97, 1,316,023.06 and 364,745.55 is: 546,899.99
Step by Step Solution
- Step 1: Write the proportion equation
877,698.97 : 1,316,023.06 = 364,745.55 : x - Step 2: Convert to fraction form
877,698.97/1,316,023.06 = 364,745.55/x - Step 3: Cross multiply
877,698.97x = 1,316,023.06 × 364,745.55 - Step 4: Simplify right side
877,698.97x = 480,013,560,743.81 - Step 5: Solve for x
x = 480,013,560,743.81/877,698.97 - Step 6: Final answer
x = 546,899.99
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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.