Finding the Fourth Proportional to 784,203.05, 1,176,304.58 and 778,298.15
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Solution
The fourth proportional to 784,203.05, 1,176,304.58 and 778,298.15 is: 1,167,447.23
Step by Step Solution
- Step 1: Write the proportion equation
784,203.05 : 1,176,304.58 = 778,298.15 : x - Step 2: Convert to fraction form
784,203.05/1,176,304.58 = 778,298.15/x - Step 3: Cross multiply
784,203.05x = 1,176,304.58 × 778,298.15 - Step 4: Simplify right side
784,203.05x = 915,515,674,559.04 - Step 5: Solve for x
x = 915,515,674,559.04/784,203.05 - Step 6: Final answer
x = 1,167,447.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.