Finding the Fourth Proportional to 542,219.30, 747,597.49 and 439,955.18
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Solution
The fourth proportional to 542,219.30, 747,597.49 and 439,955.18 is: 606,598.45
Step by Step Solution
- Step 1: Write the proportion equation
542,219.30 : 747,597.49 = 439,955.18 : x - Step 2: Convert to fraction form
542,219.30/747,597.49 = 439,955.18/x - Step 3: Cross multiply
542,219.30x = 747,597.49 × 439,955.18 - Step 4: Simplify right side
542,219.30x = 328,909,383,442.62 - Step 5: Solve for x
x = 328,909,383,442.62/542,219.30 - Step 6: Final answer
x = 606,598.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.