Finding the Fourth Proportional to 583,669.80, 875,504.70 and 412,427.70
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Solution
The fourth proportional to 583,669.80, 875,504.70 and 412,427.70 is: 618,641.55
Step by Step Solution
- Step 1: Write the proportion equation
583,669.80 : 875,504.70 = 412,427.70 : x - Step 2: Convert to fraction form
583,669.80/875,504.70 = 412,427.70/x - Step 3: Cross multiply
583,669.80x = 875,504.70 × 412,427.70 - Step 4: Simplify right side
583,669.80x = 361,082,389,760.19 - Step 5: Solve for x
x = 361,082,389,760.19/583,669.80 - Step 6: Final answer
x = 618,641.55
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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.