Finding the Fourth Proportional to 624,005.34, 934,170.93 and 386,584.62
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Solution
The fourth proportional to 624,005.34, 934,170.93 and 386,584.62 is: 578,738.82
Step by Step Solution
- Step 1: Write the proportion equation
624,005.34 : 934,170.93 = 386,584.62 : x - Step 2: Convert to fraction form
624,005.34/934,170.93 = 386,584.62/x - Step 3: Cross multiply
624,005.34x = 934,170.93 × 386,584.62 - Step 4: Simplify right side
624,005.34x = 361,136,113,989.10 - Step 5: Solve for x
x = 361,136,113,989.10/624,005.34 - Step 6: Final answer
x = 578,738.82
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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.