Finding the Fourth Proportional to 624,835.62, 862,272.95 and 338,355.63
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Solution
The fourth proportional to 624,835.62, 862,272.95 and 338,355.63 is: 466,930.66
Step by Step Solution
- Step 1: Write the proportion equation
624,835.62 : 862,272.95 = 338,355.63 : x - Step 2: Convert to fraction form
624,835.62/862,272.95 = 338,355.63/x - Step 3: Cross multiply
624,835.62x = 862,272.95 × 338,355.63 - Step 4: Simplify right side
624,835.62x = 291,754,905,537.43 - Step 5: Solve for x
x = 291,754,905,537.43/624,835.62 - Step 6: Final answer
x = 466,930.66
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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.