Finding the Fourth Proportional to 747,925.98, 1,121,264.46 and 348,361.08
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Solution
The fourth proportional to 747,925.98, 1,121,264.46 and 348,361.08 is: 522,250.74
Step by Step Solution
- Step 1: Write the proportion equation
747,925.98 : 1,121,264.46 = 348,361.08 : x - Step 2: Convert to fraction form
747,925.98/1,121,264.46 = 348,361.08/x - Step 3: Cross multiply
747,925.98x = 1,121,264.46 × 348,361.08 - Step 4: Simplify right side
747,925.98x = 390,604,898,251.22 - Step 5: Solve for x
x = 390,604,898,251.22/747,925.98 - Step 6: Final answer
x = 522,250.74
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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.