Finding the Fourth Proportional to 905,205.98, 1,249,206.26 and 497,334.24
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Solution
The fourth proportional to 905,205.98, 1,249,206.26 and 497,334.24 is: 686,333.34
Step by Step Solution
- Step 1: Write the proportion equation
905,205.98 : 1,249,206.26 = 497,334.24 : x - Step 2: Convert to fraction form
905,205.98/1,249,206.26 = 497,334.24/x - Step 3: Cross multiply
905,205.98x = 1,249,206.26 × 497,334.24 - Step 4: Simplify right side
905,205.98x = 621,273,045,920.34 - Step 5: Solve for x
x = 621,273,045,920.34/905,205.98 - Step 6: Final answer
x = 686,333.34
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1.5x scale
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.