Finding the Fourth Proportional to 925,281.44, 1,387,931.76 and 326,130.96
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Solution
The fourth proportional to 925,281.44, 1,387,931.76 and 326,130.96 is: 489,199.82
Step by Step Solution
- Step 1: Write the proportion equation
925,281.44 : 1,387,931.76 = 326,130.96 : x - Step 2: Convert to fraction form
925,281.44/1,387,931.76 = 326,130.96/x - Step 3: Cross multiply
925,281.44x = 1,387,931.76 × 326,130.96 - Step 4: Simplify right side
925,281.44x = 452,647,517,303.29 - Step 5: Solve for x
x = 452,647,517,303.29/925,281.44 - Step 6: Final answer
x = 489,199.82
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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.