Finding the Fourth Proportional to 432,195.84, 647,963.28 and 357,079.68
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Solution
The fourth proportional to 432,195.84, 647,963.28 and 357,079.68 is: 535,346.48
Step by Step Solution
- Step 1: Write the proportion equation
432,195.84 : 647,963.28 = 357,079.68 : x - Step 2: Convert to fraction form
432,195.84/647,963.28 = 357,079.68/x - Step 3: Cross multiply
432,195.84x = 647,963.28 × 357,079.68 - Step 4: Simplify right side
432,195.84x = 231,374,520,674.15 - Step 5: Solve for x
x = 231,374,520,674.15/432,195.84 - Step 6: Final answer
x = 535,346.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.