Finding the Fourth Proportional to 670,457.80, 925,228.74 and 368,651.08
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Solution
The fourth proportional to 670,457.80, 925,228.74 and 368,651.08 is: 508,736.83
Step by Step Solution
- Step 1: Write the proportion equation
670,457.80 : 925,228.74 = 368,651.08 : x - Step 2: Convert to fraction form
670,457.80/925,228.74 = 368,651.08/x - Step 3: Cross multiply
670,457.80x = 925,228.74 × 368,651.08 - Step 4: Simplify right side
670,457.80x = 341,086,574,248.04 - Step 5: Solve for x
x = 341,086,574,248.04/670,457.80 - Step 6: Final answer
x = 508,736.83
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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.