Finding the Fourth Proportional to 905,203.98, 1,249,203.50 and 497,332.24
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Solution
The fourth proportional to 905,203.98, 1,249,203.50 and 497,332.24 is: 686,330.58
Step by Step Solution
- Step 1: Write the proportion equation
905,203.98 : 1,249,203.50 = 497,332.24 : x - Step 2: Convert to fraction form
905,203.98/1,249,203.50 = 497,332.24/x - Step 3: Cross multiply
905,203.98x = 1,249,203.50 × 497,332.24 - Step 4: Simplify right side
905,203.98x = 621,269,174,870.84 - Step 5: Solve for x
x = 621,269,174,870.84/905,203.98 - Step 6: Final answer
x = 686,330.58
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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.