Finding the Fourth Proportional to 905,593.80, 1,249,668.52 and 542,836.12
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Solution
The fourth proportional to 905,593.80, 1,249,668.52 and 542,836.12 is: 749,083.32
Step by Step Solution
- Step 1: Write the proportion equation
905,593.80 : 1,249,668.52 = 542,836.12 : x - Step 2: Convert to fraction form
905,593.80/1,249,668.52 = 542,836.12/x - Step 3: Cross multiply
905,593.80x = 1,249,668.52 × 542,836.12 - Step 4: Simplify right side
905,593.80x = 678,365,210,682.94 - Step 5: Solve for x
x = 678,365,210,682.94/905,593.80 - Step 6: Final answer
x = 749,083.32
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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.