Finding the Fourth Proportional to 633,374.98, 874,024.14 and 346,888.96
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Solution
The fourth proportional to 633,374.98, 874,024.14 and 346,888.96 is: 478,688.51
Step by Step Solution
- Step 1: Write the proportion equation
633,374.98 : 874,024.14 = 346,888.96 : x - Step 2: Convert to fraction form
633,374.98/874,024.14 = 346,888.96/x - Step 3: Cross multiply
633,374.98x = 874,024.14 × 346,888.96 - Step 4: Simplify right side
633,374.98x = 303,189,324,939.49 - Step 5: Solve for x
x = 303,189,324,939.49/633,374.98 - Step 6: Final answer
x = 478,688.51
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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.