Finding the Fourth Proportional to 539,509.99, 744,523.85 and 297,792.62
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Solution
The fourth proportional to 539,509.99, 744,523.85 and 297,792.62 is: 410,953.86
Step by Step Solution
- Step 1: Write the proportion equation
539,509.99 : 744,523.85 = 297,792.62 : x - Step 2: Convert to fraction form
539,509.99/744,523.85 = 297,792.62/x - Step 3: Cross multiply
539,509.99x = 744,523.85 × 297,792.62 - Step 4: Simplify right side
539,509.99x = 221,713,709,433.06 - Step 5: Solve for x
x = 221,713,709,433.06/539,509.99 - Step 6: Final answer
x = 410,953.86
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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.