Finding the Fourth Proportional to 618,774.88, 928,460.94 and 338,284.84
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Solution
The fourth proportional to 618,774.88, 928,460.94 and 338,284.84 is: 507,590.52
Step by Step Solution
- Step 1: Write the proportion equation
618,774.88 : 928,460.94 = 338,284.84 : x - Step 2: Convert to fraction form
618,774.88/928,460.94 = 338,284.84/x - Step 3: Cross multiply
618,774.88x = 928,460.94 × 338,284.84 - Step 4: Simplify right side
618,774.88x = 314,084,260,534.15 - Step 5: Solve for x
x = 314,084,260,534.15/618,774.88 - Step 6: Final answer
x = 507,590.52
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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.