Finding the Fourth Proportional to 963,619.21, 1,329,738.96 and 533,873.71
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Solution
The fourth proportional to 963,619.21, 1,329,738.96 and 533,873.71 is: 736,714.94
Step by Step Solution
- Step 1: Write the proportion equation
963,619.21 : 1,329,738.96 = 533,873.71 : x - Step 2: Convert to fraction form
963,619.21/1,329,738.96 = 533,873.71/x - Step 3: Cross multiply
963,619.21x = 1,329,738.96 × 533,873.71 - Step 4: Simplify right side
963,619.21x = 709,912,671,906.74 - Step 5: Solve for x
x = 709,912,671,906.74/963,619.21 - Step 6: Final answer
x = 736,714.94
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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.