Finding the Fourth Proportional to 624,075.64, 861,228.60 and 382,358.68
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Solution
The fourth proportional to 624,075.64, 861,228.60 and 382,358.68 is: 527,657.56
Step by Step Solution
- Step 1: Write the proportion equation
624,075.64 : 861,228.60 = 382,358.68 : x - Step 2: Convert to fraction form
624,075.64/861,228.60 = 382,358.68/x - Step 3: Cross multiply
624,075.64x = 861,228.60 × 382,358.68 - Step 4: Simplify right side
624,075.64x = 329,298,230,674.25 - Step 5: Solve for x
x = 329,298,230,674.25/624,075.64 - Step 6: Final answer
x = 527,657.56
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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.