Finding the Fourth Proportional to 777,295.02, 1,072,743.63 and 454,985.58
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Solution
The fourth proportional to 777,295.02, 1,072,743.63 and 454,985.58 is: 627,924.88
Step by Step Solution
- Step 1: Write the proportion equation
777,295.02 : 1,072,743.63 = 454,985.58 : x - Step 2: Convert to fraction form
777,295.02/1,072,743.63 = 454,985.58/x - Step 3: Cross multiply
777,295.02x = 1,072,743.63 × 454,985.58 - Step 4: Simplify right side
777,295.02x = 488,082,882,686.86 - Step 5: Solve for x
x = 488,082,882,686.86/777,295.02 - Step 6: Final answer
x = 627,924.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.