Finding the Fourth Proportional to 905,536.98, 1,249,580.61 and 497,630.05
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Solution
The fourth proportional to 905,536.98, 1,249,580.61 and 497,630.05 is: 686,696.26
Step by Step Solution
- Step 1: Write the proportion equation
905,536.98 : 1,249,580.61 = 497,630.05 : x - Step 2: Convert to fraction form
905,536.98/1,249,580.61 = 497,630.05/x - Step 3: Cross multiply
905,536.98x = 1,249,580.61 × 497,630.05 - Step 4: Simplify right side
905,536.98x = 621,828,858,309.38 - Step 5: Solve for x
x = 621,828,858,309.38/905,536.98 - Step 6: Final answer
x = 686,696.26
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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.