Finding the Fourth Proportional to 705,848.93, 974,070.78 and 383,558.26
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Solution
The fourth proportional to 705,848.93, 974,070.78 and 383,558.26 is: 529,309.99
Step by Step Solution
- Step 1: Write the proportion equation
705,848.93 : 974,070.78 = 383,558.26 : x - Step 2: Convert to fraction form
705,848.93/974,070.78 = 383,558.26/x - Step 3: Cross multiply
705,848.93x = 974,070.78 × 383,558.26 - Step 4: Simplify right side
705,848.93x = 373,612,888,623.29 - Step 5: Solve for x
x = 373,612,888,623.29/705,848.93 - Step 6: Final answer
x = 529,309.99
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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.