Finding the Fourth Proportional to 958,784.20, 1,438,176.30 and 943,037.80
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Solution
The fourth proportional to 958,784.20, 1,438,176.30 and 943,037.80 is: 1,414,556.70
Step by Step Solution
- Step 1: Write the proportion equation
958,784.20 : 1,438,176.30 = 943,037.80 : x - Step 2: Convert to fraction form
958,784.20/1,438,176.30 = 943,037.80/x - Step 3: Cross multiply
958,784.20x = 1,438,176.30 × 943,037.80 - Step 4: Simplify right side
958,784.20x = 1,356,254,613,964.14 - Step 5: Solve for x
x = 1,356,254,613,964.14/958,784.20 - Step 6: Final answer
x = 1,414,556.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.