Finding the Fourth Proportional to 972,801.41, 1,342,479.21 and 537,248.13
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Solution
The fourth proportional to 972,801.41, 1,342,479.21 and 537,248.13 is: 741,409.75
Step by Step Solution
- Step 1: Write the proportion equation
972,801.41 : 1,342,479.21 = 537,248.13 : x - Step 2: Convert to fraction form
972,801.41/1,342,479.21 = 537,248.13/x - Step 3: Cross multiply
972,801.41x = 1,342,479.21 × 537,248.13 - Step 4: Simplify right side
972,801.41x = 721,244,442,451.74 - Step 5: Solve for x
x = 721,244,442,451.74/972,801.41 - Step 6: Final answer
x = 741,409.75
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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.