Finding the Fourth Proportional to 637,160.16, 955,204.56 and 426,154.08
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Solution
The fourth proportional to 637,160.16, 955,204.56 and 426,154.08 is: 638,872.84
Step by Step Solution
- Step 1: Write the proportion equation
637,160.16 : 955,204.56 = 426,154.08 : x - Step 2: Convert to fraction form
637,160.16/955,204.56 = 426,154.08/x - Step 3: Cross multiply
637,160.16x = 955,204.56 × 426,154.08 - Step 4: Simplify right side
637,160.16x = 407,064,320,478.61 - Step 5: Solve for x
x = 407,064,320,478.61/637,160.16 - Step 6: Final answer
x = 638,872.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.