Finding the Fourth Proportional to 605,351.84, 834,985.56 and 378,603.68
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Solution
The fourth proportional to 605,351.84, 834,985.56 and 378,603.68 is: 522,222.92
Step by Step Solution
- Step 1: Write the proportion equation
605,351.84 : 834,985.56 = 378,603.68 : x - Step 2: Convert to fraction form
605,351.84/834,985.56 = 378,603.68/x - Step 3: Cross multiply
605,351.84x = 834,985.56 × 378,603.68 - Step 4: Simplify right side
605,351.84x = 316,128,605,762.86 - Step 5: Solve for x
x = 316,128,605,762.86/605,351.84 - Step 6: Final answer
x = 522,222.92
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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.