Finding the Fourth Proportional to 539,854.80, 808,615.80 and 446,542.80
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Solution
The fourth proportional to 539,854.80, 808,615.80 and 446,542.80 is: 668,849.41
Step by Step Solution
- Step 1: Write the proportion equation
539,854.80 : 808,615.80 = 446,542.80 : x - Step 2: Convert to fraction form
539,854.80/808,615.80 = 446,542.80/x - Step 3: Cross multiply
539,854.80x = 808,615.80 × 446,542.80 - Step 4: Simplify right side
539,854.80x = 361,081,563,456.24 - Step 5: Solve for x
x = 361,081,563,456.24/539,854.80 - Step 6: Final answer
x = 668,849.41
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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.