Finding the Fourth Proportional to 984,496.64, 1,358,605.28 and 531,787.68
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Solution
The fourth proportional to 984,496.64, 1,358,605.28 and 531,787.68 is: 733,866.95
Step by Step Solution
- Step 1: Write the proportion equation
984,496.64 : 1,358,605.28 = 531,787.68 : x - Step 2: Convert to fraction form
984,496.64/1,358,605.28 = 531,787.68/x - Step 3: Cross multiply
984,496.64x = 1,358,605.28 × 531,787.68 - Step 4: Simplify right side
984,496.64x = 722,489,549,886.95 - Step 5: Solve for x
x = 722,489,549,886.95/984,496.64 - Step 6: Final answer
x = 733,866.95
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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.