Finding the Fourth Proportional to 670,384.84, 925,131.08 and 368,578.84
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Solution
The fourth proportional to 670,384.84, 925,131.08 and 368,578.84 is: 508,638.80
Step by Step Solution
- Step 1: Write the proportion equation
670,384.84 : 925,131.08 = 368,578.84 : x - Step 2: Convert to fraction form
670,384.84/925,131.08 = 368,578.84/x - Step 3: Cross multiply
670,384.84x = 925,131.08 × 368,578.84 - Step 4: Simplify right side
670,384.84x = 340,983,740,314.35 - Step 5: Solve for x
x = 340,983,740,314.35/670,384.84 - Step 6: Final answer
x = 508,638.80
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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.