Finding the Fourth Proportional to 742,959.99, 1,025,393.19 and 416,295.11
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Solution
The fourth proportional to 742,959.99, 1,025,393.19 and 416,295.11 is: 574,547.99
Step by Step Solution
- Step 1: Write the proportion equation
742,959.99 : 1,025,393.19 = 416,295.11 : x - Step 2: Convert to fraction form
742,959.99/1,025,393.19 = 416,295.11/x - Step 3: Cross multiply
742,959.99x = 1,025,393.19 × 416,295.11 - Step 4: Simplify right side
742,959.99x = 426,866,168,744.81 - Step 5: Solve for x
x = 426,866,168,744.81/742,959.99 - Step 6: Final answer
x = 574,547.99
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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.