Finding the Fourth Proportional to 586,430.80, 879,646.20 and 523,445.20
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Solution
The fourth proportional to 586,430.80, 879,646.20 and 523,445.20 is: 785,167.80
Step by Step Solution
- Step 1: Write the proportion equation
586,430.80 : 879,646.20 = 523,445.20 : x - Step 2: Convert to fraction form
586,430.80/879,646.20 = 523,445.20/x - Step 3: Cross multiply
586,430.80x = 879,646.20 × 523,445.20 - Step 4: Simplify right side
586,430.80x = 460,446,581,088.24 - Step 5: Solve for x
x = 460,446,581,088.24/586,430.80 - Step 6: Final answer
x = 785,167.80
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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.