Finding the Fourth Proportional to 734,671.30, 1,102,006.95 and 520,053.70
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Solution
The fourth proportional to 734,671.30, 1,102,006.95 and 520,053.70 is: 780,080.55
Step by Step Solution
- Step 1: Write the proportion equation
734,671.30 : 1,102,006.95 = 520,053.70 : x - Step 2: Convert to fraction form
734,671.30/1,102,006.95 = 520,053.70/x - Step 3: Cross multiply
734,671.30x = 1,102,006.95 × 520,053.70 - Step 4: Simplify right side
734,671.30x = 573,102,791,773.22 - Step 5: Solve for x
x = 573,102,791,773.22/734,671.30 - Step 6: Final answer
x = 780,080.55
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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.