Finding the Fourth Proportional to 670,492.13, 925,279.14 and 368,686.13
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Solution
The fourth proportional to 670,492.13, 925,279.14 and 368,686.13 is: 508,786.86
Step by Step Solution
- Step 1: Write the proportion equation
670,492.13 : 925,279.14 = 368,686.13 : x - Step 2: Convert to fraction form
670,492.13/925,279.14 = 368,686.13/x - Step 3: Cross multiply
670,492.13x = 925,279.14 × 368,686.13 - Step 4: Simplify right side
670,492.13x = 341,137,580,669.93 - Step 5: Solve for x
x = 341,137,580,669.93/670,492.13 - Step 6: Final answer
x = 508,786.86
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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.