Finding the Fourth Proportional to 781,051.99, 1,077,898.22 and 441,551.83
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Solution
The fourth proportional to 781,051.99, 1,077,898.22 and 441,551.83 is: 609,367.80
Step by Step Solution
- Step 1: Write the proportion equation
781,051.99 : 1,077,898.22 = 441,551.83 : x - Step 2: Convert to fraction form
781,051.99/1,077,898.22 = 441,551.83/x - Step 3: Cross multiply
781,051.99x = 1,077,898.22 × 441,551.83 - Step 4: Simplify right side
781,051.99x = 475,947,927,309.13 - Step 5: Solve for x
x = 475,947,927,309.13/781,051.99 - Step 6: Final answer
x = 609,367.80
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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.