Finding the Fourth Proportional to 787,110.60, 1,180,277.70 and 331,618.68
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Solution
The fourth proportional to 787,110.60, 1,180,277.70 and 331,618.68 is: 497,264.47
Step by Step Solution
- Step 1: Write the proportion equation
787,110.60 : 1,180,277.70 = 331,618.68 : x - Step 2: Convert to fraction form
787,110.60/1,180,277.70 = 331,618.68/x - Step 3: Cross multiply
787,110.60x = 1,180,277.70 × 331,618.68 - Step 4: Simplify right side
787,110.60x = 391,402,132,907.44 - Step 5: Solve for x
x = 391,402,132,907.44/787,110.60 - Step 6: Final answer
x = 497,264.47
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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.