Finding the Fourth Proportional to 784,030.19, 1,175,904.99 and 207,657.41
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Solution
The fourth proportional to 784,030.19, 1,175,904.99 and 207,657.41 is: 311,448.95
Step by Step Solution
- Step 1: Write the proportion equation
784,030.19 : 1,175,904.99 = 207,657.41 : x - Step 2: Convert to fraction form
784,030.19/1,175,904.99 = 207,657.41/x - Step 3: Cross multiply
784,030.19x = 1,175,904.99 × 207,657.41 - Step 4: Simplify right side
784,030.19x = 244,185,378,749.95 - Step 5: Solve for x
x = 244,185,378,749.95/784,030.19 - Step 6: Final answer
x = 311,448.95
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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.