Finding the Fourth Proportional to 624,368.25, 861,630.30 and 337,888.26
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Solution
The fourth proportional to 624,368.25, 861,630.30 and 337,888.26 is: 466,286.94
Step by Step Solution
- Step 1: Write the proportion equation
624,368.25 : 861,630.30 = 337,888.26 : x - Step 2: Convert to fraction form
624,368.25/861,630.30 = 337,888.26/x - Step 3: Cross multiply
624,368.25x = 861,630.30 × 337,888.26 - Step 4: Simplify right side
624,368.25x = 291,134,762,830.28 - Step 5: Solve for x
x = 291,134,762,830.28/624,368.25 - Step 6: Final answer
x = 466,286.94
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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.