Finding the Fourth Proportional to 539,972.80, 808,792.80 and 446,660.80
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Solution
The fourth proportional to 539,972.80, 808,792.80 and 446,660.80 is: 669,026.36
Step by Step Solution
- Step 1: Write the proportion equation
539,972.80 : 808,792.80 = 446,660.80 : x - Step 2: Convert to fraction form
539,972.80/808,792.80 = 446,660.80/x - Step 3: Cross multiply
539,972.80x = 808,792.80 × 446,660.80 - Step 4: Simplify right side
539,972.80x = 361,256,039,082.24 - Step 5: Solve for x
x = 361,256,039,082.24/539,972.80 - Step 6: Final answer
x = 669,026.36
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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.