Finding the Fourth Proportional to 586,587.19, 809,490.32 and 318,315.19
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Solution
The fourth proportional to 586,587.19, 809,490.32 and 318,315.19 is: 439,274.96
Step by Step Solution
- Step 1: Write the proportion equation
586,587.19 : 809,490.32 = 318,315.19 : x - Step 2: Convert to fraction form
586,587.19/809,490.32 = 318,315.19/x - Step 3: Cross multiply
586,587.19x = 809,490.32 × 318,315.19 - Step 4: Simplify right side
586,587.19x = 257,673,062,592.34 - Step 5: Solve for x
x = 257,673,062,592.34/586,587.19 - Step 6: Final answer
x = 439,274.96
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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.