Finding the Fourth Proportional to 740,237.94, 1,021,472.37 and 417,903.30
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Solution
The fourth proportional to 740,237.94, 1,021,472.37 and 417,903.30 is: 576,674.95
Step by Step Solution
- Step 1: Write the proportion equation
740,237.94 : 1,021,472.37 = 417,903.30 : x - Step 2: Convert to fraction form
740,237.94/1,021,472.37 = 417,903.30/x - Step 3: Cross multiply
740,237.94x = 1,021,472.37 × 417,903.30 - Step 4: Simplify right side
740,237.94x = 426,876,674,281.82 - Step 5: Solve for x
x = 426,876,674,281.82/740,237.94 - Step 6: Final answer
x = 576,674.95
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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.