Finding the Fourth Proportional to 624,923.68, 862,389.84 and 338,442.88
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Solution
The fourth proportional to 624,923.68, 862,389.84 and 338,442.88 is: 467,048.55
Step by Step Solution
- Step 1: Write the proportion equation
624,923.68 : 862,389.84 = 338,442.88 : x - Step 2: Convert to fraction form
624,923.68/862,389.84 = 338,442.88/x - Step 3: Cross multiply
624,923.68x = 862,389.84 × 338,442.88 - Step 4: Simplify right side
624,923.68x = 291,869,701,132.34 - Step 5: Solve for x
x = 291,869,701,132.34/624,923.68 - Step 6: Final answer
x = 467,048.55
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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.