Finding the Fourth Proportional to 624,157.60, 935,007.60 and 579,920.80
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Solution
The fourth proportional to 624,157.60, 935,007.60 and 579,920.80 is: 868,739.49
Step by Step Solution
- Step 1: Write the proportion equation
624,157.60 : 935,007.60 = 579,920.80 : x - Step 2: Convert to fraction form
624,157.60/935,007.60 = 579,920.80/x - Step 3: Cross multiply
624,157.60x = 935,007.60 × 579,920.80 - Step 4: Simplify right side
624,157.60x = 542,230,355,398.08 - Step 5: Solve for x
x = 542,230,355,398.08/624,157.60 - Step 6: Final answer
x = 868,739.49
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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.