Finding the Fourth Proportional to 624,370.10, 861,630.75 and 337,890.19
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Solution
The fourth proportional to 624,370.10, 861,630.75 and 337,890.19 is: 466,288.46
Step by Step Solution
- Step 1: Write the proportion equation
624,370.10 : 861,630.75 = 337,890.19 : x - Step 2: Convert to fraction form
624,370.10/861,630.75 = 337,890.19/x - Step 3: Cross multiply
624,370.10x = 861,630.75 × 337,890.19 - Step 4: Simplify right side
624,370.10x = 291,136,577,181.91 - Step 5: Solve for x
x = 291,136,577,181.91/624,370.10 - Step 6: Final answer
x = 466,288.46
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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.