Finding the Fourth Proportional to 905,668.52, 1,249,835.50 and 497,808.08
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Solution
The fourth proportional to 905,668.52, 1,249,835.50 and 497,808.08 is: 686,982.26
Step by Step Solution
- Step 1: Write the proportion equation
905,668.52 : 1,249,835.50 = 497,808.08 : x - Step 2: Convert to fraction form
905,668.52/1,249,835.50 = 497,808.08/x - Step 3: Cross multiply
905,668.52x = 1,249,835.50 × 497,808.08 - Step 4: Simplify right side
905,668.52x = 622,178,210,570.84 - Step 5: Solve for x
x = 622,178,210,570.84/905,668.52 - Step 6: Final answer
x = 686,982.26
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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.