Finding the Fourth Proportional to 670,490.63, 925,277.07 and 368,684.63
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Solution
The fourth proportional to 670,490.63, 925,277.07 and 368,684.63 is: 508,784.79
Step by Step Solution
- Step 1: Write the proportion equation
670,490.63 : 925,277.07 = 368,684.63 : x - Step 2: Convert to fraction form
670,490.63/925,277.07 = 368,684.63/x - Step 3: Cross multiply
670,490.63x = 925,277.07 × 368,684.63 - Step 4: Simplify right side
670,490.63x = 341,135,429,574.05 - Step 5: Solve for x
x = 341,135,429,574.05/670,490.63 - Step 6: Final answer
x = 508,784.79
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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.