Finding the Fourth Proportional to 577,895.13, 867,014.42 and 278,289.09
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Solution
The fourth proportional to 577,895.13, 867,014.42 and 278,289.09 is: 417,516.33
Step by Step Solution
- Step 1: Write the proportion equation
577,895.13 : 867,014.42 = 278,289.09 : x - Step 2: Convert to fraction form
577,895.13/867,014.42 = 278,289.09/x - Step 3: Cross multiply
577,895.13x = 867,014.42 × 278,289.09 - Step 4: Simplify right side
577,895.13x = 241,280,652,567.23 - Step 5: Solve for x
x = 241,280,652,567.23/577,895.13 - Step 6: Final answer
x = 417,516.33
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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.