Finding the Fourth Proportional to 452,542.24, 624,557.28 and 289,346.68
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Solution
The fourth proportional to 452,542.24, 624,557.28 and 289,346.68 is: 399,329.74
Step by Step Solution
- Step 1: Write the proportion equation
452,542.24 : 624,557.28 = 289,346.68 : x - Step 2: Convert to fraction form
452,542.24/624,557.28 = 289,346.68/x - Step 3: Cross multiply
452,542.24x = 624,557.28 × 289,346.68 - Step 4: Simplify right side
452,542.24x = 180,713,575,437.83 - Step 5: Solve for x
x = 180,713,575,437.83/452,542.24 - Step 6: Final answer
x = 399,329.74
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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.