Finding the Fourth Proportional to 926,473.74, 1,278,426.33 and 518,598.42
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Solution
The fourth proportional to 926,473.74, 1,278,426.33 and 518,598.42 is: 715,605.68
Step by Step Solution
- Step 1: Write the proportion equation
926,473.74 : 1,278,426.33 = 518,598.42 : x - Step 2: Convert to fraction form
926,473.74/1,278,426.33 = 518,598.42/x - Step 3: Cross multiply
926,473.74x = 1,278,426.33 × 518,598.42 - Step 4: Simplify right side
926,473.74x = 662,989,874,824.40 - Step 5: Solve for x
x = 662,989,874,824.40/926,473.74 - Step 6: Final answer
x = 715,605.68
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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.