Finding the Fourth Proportional to 509,482.36, 763,927.08 and 374,627.08
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Solution
The fourth proportional to 509,482.36, 763,927.08 and 374,627.08 is: 561,722.63
Step by Step Solution
- Step 1: Write the proportion equation
509,482.36 : 763,927.08 = 374,627.08 : x - Step 2: Convert to fraction form
509,482.36/763,927.08 = 374,627.08/x - Step 3: Cross multiply
509,482.36x = 763,927.08 × 374,627.08 - Step 4: Simplify right side
509,482.36x = 286,187,771,313.33 - Step 5: Solve for x
x = 286,187,771,313.33/509,482.36 - Step 6: Final answer
x = 561,722.63
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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.