Finding the Fourth Proportional to 742,535.99, 1,024,700.66 and 403,004.24
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Solution
The fourth proportional to 742,535.99, 1,024,700.66 and 403,004.24 is: 556,146.39
Step by Step Solution
- Step 1: Write the proportion equation
742,535.99 : 1,024,700.66 = 403,004.24 : x - Step 2: Convert to fraction form
742,535.99/1,024,700.66 = 403,004.24/x - Step 3: Cross multiply
742,535.99x = 1,024,700.66 × 403,004.24 - Step 4: Simplify right side
742,535.99x = 412,958,710,710.80 - Step 5: Solve for x
x = 412,958,710,710.80/742,535.99 - Step 6: Final answer
x = 556,146.39
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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.