Finding the Fourth Proportional to 618,068.07, 931,313.50 and 508,209.19
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Solution
The fourth proportional to 618,068.07, 931,313.50 and 508,209.19 is: 765,776.62
Step by Step Solution
- Step 1: Write the proportion equation
618,068.07 : 931,313.50 = 508,209.19 : x - Step 2: Convert to fraction form
618,068.07/931,313.50 = 508,209.19/x - Step 3: Cross multiply
618,068.07x = 931,313.50 × 508,209.19 - Step 4: Simplify right side
618,068.07x = 473,302,075,872.26 - Step 5: Solve for x
x = 473,302,075,872.26/618,068.07 - Step 6: Final answer
x = 765,776.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.