Finding the Fourth Proportional to 718,204.14, 989,873.28 and 524,292.84
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Solution
The fourth proportional to 718,204.14, 989,873.28 and 524,292.84 is: 722,612.76
Step by Step Solution
- Step 1: Write the proportion equation
718,204.14 : 989,873.28 = 524,292.84 : x - Step 2: Convert to fraction form
718,204.14/989,873.28 = 524,292.84/x - Step 3: Cross multiply
718,204.14x = 989,873.28 × 524,292.84 - Step 4: Simplify right side
718,204.14x = 518,983,473,211.32 - Step 5: Solve for x
x = 518,983,473,211.32/718,204.14 - Step 6: Final answer
x = 722,612.76
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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.