Finding the Fourth Proportional to 905,406.00, 1,249,459.92 and 497,534.14
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Solution
The fourth proportional to 905,406.00, 1,249,459.92 and 497,534.14 is: 686,596.92
Step by Step Solution
- Step 1: Write the proportion equation
905,406.00 : 1,249,459.92 = 497,534.14 : x - Step 2: Convert to fraction form
905,406.00/1,249,459.92 = 497,534.14/x - Step 3: Cross multiply
905,406.00x = 1,249,459.92 × 497,534.14 - Step 4: Simplify right side
905,406.00x = 621,648,968,323.49 - Step 5: Solve for x
x = 621,648,968,323.49/905,406.00 - Step 6: Final answer
x = 686,596.92
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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.