Finding the Fourth Proportional to 719,455.48, 1,079,289.84 and 239,526.54
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Solution
The fourth proportional to 719,455.48, 1,079,289.84 and 239,526.54 is: 359,325.31
Step by Step Solution
- Step 1: Write the proportion equation
719,455.48 : 1,079,289.84 = 239,526.54 : x - Step 2: Convert to fraction form
719,455.48/1,079,289.84 = 239,526.54/x - Step 3: Cross multiply
719,455.48x = 1,079,289.84 × 239,526.54 - Step 4: Simplify right side
719,455.48x = 258,518,561,032.35 - Step 5: Solve for x
x = 258,518,561,032.35/719,455.48 - Step 6: Final answer
x = 359,325.31
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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.