Finding the Fourth Proportional to 560,484.08, 773,485.10 and 318,801.44
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Solution
The fourth proportional to 560,484.08, 773,485.10 and 318,801.44 is: 439,955.70
Step by Step Solution
- Step 1: Write the proportion equation
560,484.08 : 773,485.10 = 318,801.44 : x - Step 2: Convert to fraction form
560,484.08/773,485.10 = 318,801.44/x - Step 3: Cross multiply
560,484.08x = 773,485.10 × 318,801.44 - Step 4: Simplify right side
560,484.08x = 246,588,163,698.54 - Step 5: Solve for x
x = 246,588,163,698.54/560,484.08 - Step 6: Final answer
x = 439,955.70
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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.