Finding the Fourth Proportional to 742,585.59, 1,024,770.09 and 403,053.84
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Solution
The fourth proportional to 742,585.59, 1,024,770.09 and 403,053.84 is: 556,215.37
Step by Step Solution
- Step 1: Write the proportion equation
742,585.59 : 1,024,770.09 = 403,053.84 : x - Step 2: Convert to fraction form
742,585.59/1,024,770.09 = 403,053.84/x - Step 3: Cross multiply
742,585.59x = 1,024,770.09 × 403,053.84 - Step 4: Simplify right side
742,585.59x = 413,037,519,891.65 - Step 5: Solve for x
x = 413,037,519,891.65/742,585.59 - Step 6: Final answer
x = 556,215.37
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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.