Finding the Fourth Proportional to 963,563.24, 1,329,681.98 and 555,682.28
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Solution
The fourth proportional to 963,563.24, 1,329,681.98 and 555,682.28 is: 766,821.19
Step by Step Solution
- Step 1: Write the proportion equation
963,563.24 : 1,329,681.98 = 555,682.28 : x - Step 2: Convert to fraction form
963,563.24/1,329,681.98 = 555,682.28/x - Step 3: Cross multiply
963,563.24x = 1,329,681.98 × 555,682.28 - Step 4: Simplify right side
963,563.24x = 738,880,714,321.32 - Step 5: Solve for x
x = 738,880,714,321.32/963,563.24 - Step 6: Final answer
x = 766,821.19
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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.