Finding the Fourth Proportional to 578,164.64, 867,242.09 and 451,911.08
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Solution
The fourth proportional to 578,164.64, 867,242.09 and 451,911.08 is: 677,862.83
Step by Step Solution
- Step 1: Write the proportion equation
578,164.64 : 867,242.09 = 451,911.08 : x - Step 2: Convert to fraction form
578,164.64/867,242.09 = 451,911.08/x - Step 3: Cross multiply
578,164.64x = 867,242.09 × 451,911.08 - Step 4: Simplify right side
578,164.64x = 391,916,312,811.24 - Step 5: Solve for x
x = 391,916,312,811.24/578,164.64 - Step 6: Final answer
x = 677,862.83
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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.