Finding the Fourth Proportional to 890,303.97, 1,228,642.36 and 546,329.95
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Solution
The fourth proportional to 890,303.97, 1,228,642.36 and 546,329.95 is: 753,949.36
Step by Step Solution
- Step 1: Write the proportion equation
890,303.97 : 1,228,642.36 = 546,329.95 : x - Step 2: Convert to fraction form
890,303.97/1,228,642.36 = 546,329.95/x - Step 3: Cross multiply
890,303.97x = 1,228,642.36 × 546,329.95 - Step 4: Simplify right side
890,303.97x = 671,244,114,669.25 - Step 5: Solve for x
x = 671,244,114,669.25/890,303.97 - Step 6: Final answer
x = 753,949.36
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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.