Finding the Fourth Proportional to 626,689.68, 864,740.52 and 358,365.84
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Solution
The fourth proportional to 626,689.68, 864,740.52 and 358,365.84 is: 494,492.69
Step by Step Solution
- Step 1: Write the proportion equation
626,689.68 : 864,740.52 = 358,365.84 : x - Step 2: Convert to fraction form
626,689.68/864,740.52 = 358,365.84/x - Step 3: Cross multiply
626,689.68x = 864,740.52 × 358,365.84 - Step 4: Simplify right side
626,689.68x = 309,893,462,831.84 - Step 5: Solve for x
x = 309,893,462,831.84/626,689.68 - Step 6: Final answer
x = 494,492.69
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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.